manual del módulos kml 1-5n

KML.1/N, KML.2/N, KML.3/N, KML.3/N,

KML.5/N Kilomux Main Link modules

INSTA

LLATIO

N A

ND

O

PER

ATIO

N M

AN

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L

The Access Company

KML.1-5/N Main Link modules Kilomux-2100/2104

Installation and Operation Manual

Notice

This manual contains information that is proprietary to RAD Data Communications Ltd. ("RAD"). No part of this publication may be reproduced in any form whatsoever without prior written approval by RAD Data Communications.

Right, title and interest, all information, copyrights, patents, know-how, trade secrets and other intellectual property or other proprietary rights relating to this manual and to the KML.1-5/N and any software components contained therein are proprietary products of RAD protected under international copyright law and shall be and remain solely with RAD.

KML.1-5/N is a registered trademark of RAD. No right, license, or interest to such trademark is granted hereunder, and you agree that no such right, license, or interest shall be asserted by you with respect to such trademark.

You shall not copy, reverse compile or reverse assemble all or any portion of the Manual or the KML.1-5/N. You are prohibited from, and shall not, directly or indirectly, develop, market, distribute, license, or sell any product that supports substantially similar functionality as the KML.1-5/N, based on or derived in any way from the KML.1-5/N. Your undertaking in this paragraph shall survive the termination of this Agreement.

This Agreement is effective upon your opening of the KML.1-5/N package and shall continue until terminated. RAD may terminate this Agreement upon the breach by you of any term hereof. Upon such termination by RAD, you agree to return to RAD the KML.1-5/N and all copies and portions thereof.

For further information contact RAD at the address below or contact your local distributor.

International Headquarters RAD Data Communications Ltd.

24 Raoul Wallenberg Street Tel Aviv 69719, Israel Tel: 972-3-6458181 Fax: 972-3-6498250, 6474436 E-mail: [email protected]

North America Headquarters RAD Data Communications Inc.

900 Corporate Drive Mahwah, NJ 07430, USA Tel: (201) 5291100, Toll free: 1-800-4447234 Fax: (201) 5295777 E-mail: [email protected]

19882008 RAD Data Communications Ltd. Publication No. 420-220-02/08

KML.1-5/N Kilomux-2100/2104 i

Contents

Chapter 1. Introduction 1.1 Overview....................................................................................................................1-1

Application .............................................................................................................1-2 1.2 Physical Description ...................................................................................................1-3 1.3 Functional Description................................................................................................1-3

Timing Modes .........................................................................................................1-3 Timing Modes Supported by KML.1/N, KML.2/N, KML.3/N, and KML.4/N Modules.1-4 Timing Modes Supported by the KML.5/N Module ...............................................1-4

Management ..........................................................................................................1-5 Diagnostics and Maintenance Functions ..................................................................1-5

1.4 Technical Specifications..............................................................................................1-5

Chapter 2. Installation and Operation 2.1 Installing KML Modules ...............................................................................................2-1 2.2 Normal Indications .....................................................................................................2-1

Chapter 3. Configuration 3.1 Configuration Instructions ..........................................................................................3-1 3.2 Module Parameters ....................................................................................................3-1

Chapter 4. Troubleshooting and Diagnostics 4.1 Alarm Messages .........................................................................................................4-1 4.2 Diagnostics ................................................................................................................4-1

Main Link Loops......................................................................................................4-1 Local Main Link Loop ..........................................................................................4-1 Remote Main Link Loop ......................................................................................4-2 Remote Main Link Modem Loop - Loop 2............................................................4-4

Appendix A. Connector Pinouts

Table of Contents Installation and Operation Manual

ii KML.1-5/N Kilomux-2100/2104

KML.1-5/N KM-2100-2104 Overview 1-1

Chapter 1

Introduction

1.1 Overview

This manual describes the technical characteristics, applications, installation, and operation of the main link interface modules for the Kilomux-2100 TDM multiplexer, listed in Table 1-1. The same functionality is available as a main link interface option for the Kilomux-2104 multiplexer.

Table 1-1 also lists the interface standard supported by each module, the type of main link connector provided on the module front panel, and the supported data rates.

Table 1-1. Kilomux-2100/2104 Main Link Interface Modules

Designation Interface Standard Connector Supported Data Rates

KML.1/N V.35 34-pin, female (Kilomux-2100) DB-25, female (Kilomux-2104)

9.6, 14.4, 19.2, 28.8, 32, 48, 56,

64, 128, 192, 256, 384, 512, 768,

*1024, *1536 kbps

KML.2/N RS-232 DB-25, female 9.6, 19.2, 32, 48, 56, 64, 128 kbps

KML.3/N RS-530 DB-25, female

KML.4/N X.21 DB-15, female

9.6, 14.4, 19.2, 28.8, 32, 48, 56,

64, 128, 192, 256, 384, 512, 768 ,

*1024, *1536 kbps

KML.5/N G.703 Codirectional 8-pin RJ-45 64, 128 kbps

Data rates marked with an asterisk (*) are supported by Kilomux-2100/2104 units with KCL.2 software version 3.10 or higher.

In addition to the main link interface modules listed in Table 1-1, additional main link modules are available. The other modules are covered by separate Installation and Operation manuals.

In this manual, the generic name KML is used when the information is applicable to all the module types listed above, and to the corresponding type of Kilomux main link interface option. When the information is applicable only to specific modules/interface options, the complete module designation is used.

Note

Note

Chapter 1 Introduction Installation and Operation Manual

1-2 Overview KML.1-5/N KM-2100-2104

Application

The basic use of these modules is to enable the connection of Kilomux-2100/2104 units by means of a modem link, a digital multiplexer channel, or other type of digital link. A typical system configuration is shown in Figure 1-1.

KILOMUX-2100 KILOMUX-2100

I/OModules

I/OModulesModemModem

KCL

KCL

KML KML

Figure 1-1. Basic Application for Kilomux-2100/2104 Main Link Modules

Kilomux-2100 systems can also be equipped with two KML modules. A KML module can be installed either alone in a Kilomux-2100 enclosure, or together with another main link interface module. When installed together with a KML module of the same or another type, it is possible to use most of the main link operating modes offered by the Kilomux-2100 system, for example, dual-link operation, redundancy, and priority bumping.

Additional information on these capabilities can be found in the Kilomux-2100/2104 Installation and Operation manual.

Installation and Operation Manual Chapter 1 Introduction

KML.1-5/N KM-2100-2104 Functional Description 1-3

1.2 Physical Description

Figure 1-2, Figure 1-3, Figure 1-4, Figure 1-5 and Figure 1-6 illustrate the front panels of the KML.1/N, KML.2/N, KML.3/N, KML.4/N and KML.5/N interface modules.

KML.1

V.35

KML.2

RS-232

KML.3

RS-530/422

KML.4

X.21

KML.5

G.703CODIRECTIONAL

Figure 1-2. KML.1/N

Figure 1-3. KML.2/N

Figure 1-4. KML.3/N

Figure 1-5. KML.4/N

Figure 1-6. KML.5/N

Main link modules for the Kilomux-2100 units are delivered as separate modules. In Kilomux-2104 units, the main link is incorporated into one subsystem with power supply and common logic.

1.3 Functional Description

Timing Modes

The KML modules support flexible system timing options:

With KML.1/N, KML.2/N, KML.3/N and KML.4/N modules, three main link timing modes are available: DTE, External DCE, and DCE.

With KML.5/N modules, two main link timing modes are available: internal (INT) and loopback (LBT).

Note


1-4 Functional Description KML.1-5/N KM-2100-2104

The Kilomux-2100/2104 allows the user to select a preferred timing reference source (main, or master, source), and a fallback mode for use in case the main source failed. If both the main and fallback sources fail, the Kilomux-2100/2104 switches to an internal oscillator.

The main characteristics of the timing mode supported by each module are explained in the following sections.

Timing Modes Supported by KML.1/N, KML.2/N, KML.3/N, and KML.4/N Modules

DTE Timing both the receive and transmit paths of the Kilomux-2100/2104 unit use clock signals received from the external equipment, e.g., the modem serving the main link.

DTE timing is used to lock the timing of the local Kilomux-2100/2104 unit to the remote unit timing. Another important application is to lock the timing of two Kilomux-2100 units, connected through a digital data network, to the master clock of the network.

External DCE Timing the Kilomux-2100/2104 provides the transmit path timing for the external equipment, and accepts an external receive clock signal for the receive path.

The source of the Kilomux-2100/2104 transmit clock can be either an internal crystal oscillator, located in the KML module, which has an accuracy of 50 ppm, or an external source (the transmit clock of a channel of one of the data modules located in the unit). The desired channel, which is selected by the user via the CLK_MASTER parameter (under DEF SYS), must operate in the DTE2 timing mode. The DTE2 timing is relevant for the data modules only.

The external DCE timing mode is useful when one or more of the Kilomux-2100/2104 channels are connected to a data network, or to a multiplexer channel.

DCE Timing the Kilomux-2100/2104 provides both the transmit and receive clock signals to the equipment to which it is connected. The timing reference source of the transmit timing signals can be selected as for the external DCE mode. The connected equipment must then use the DTE timing mode.

When the timing mode is DTE or External DCE, buffers are inserted in the main link signal paths, to absorb the expected jitter and timing instabilities. Normal buffer size is 8 bits; for operation over satellite links, the receive buffer size can be increased to 256 bits.

Timing Modes Supported by the KML.5/N Module

Internal Timing the internal timing source is an internal crystal oscillator located on the KML.5/N module. The internal timing mode can be used in point-to-point links such as shown in Figure 1-1, or in independent networks. In any link, only one Kilomux-2100/2104 can use internal timing: the other Kilomux-2100/2104 must use loopback (LBT) timing to ensure synchronization. In this way, the Kilomux-2100/2104 operating with internal timing is the source of the master clock and determines the timing of all the other units.

Installation and Operation Manual Chapter 1 Introduction

KML.1-5/N KM-2100-2104 Technical Specifications 1-5

Loopback Timing with loopback timing, the main link transmit clock of the Kilomux-2100/2104 is locked to the recovered receive clock, derived from the network timing. This mode is used in point-to-point links when the remote unit operates in the internal timing mode, or when the main link is connected to a network that provides a master clock.

Management

The operation of the KML modules can be controlled by the operator from a supervision terminal connected to the Kilomux-2100/2104.

The operator can monitor the operation of each main link interface module by means of front-panel indicators that indicate module status, activity on the receive and the transmit paths of the main link, and local and remote system synchronization status.

The main link interface module stores alarms detected during its operation into its alarms buffer.

The buffer can store the following types of alarm events: local loss of synchronization, remote loss of synchronization, loss of signal, out-of-service, out-of-frame, idle sequence, and loopbacks. These alarms can also be read by a supervision terminal.

Diagnostics and Maintenance Functions

The KML modules perform self-test upon power-up. Additional testing and diagnostic functions can be performed by the operator from a supervision terminal. The testing capabilities include local main link loopback (where the main link transmit signal is looped back to the input of the main link receive path), and remote main link (loopback toward the remote Kilomux-2100/2104.

In addition, main link modem loopbacks (designated loop 2 and loop 3 by ITU-T Rec. V.54) are available to check the connections between the KML.1/N, KML.2/N or KML.3/N module and the modem serving the main link. Usually, these loops are activated after the remote main link loop fails, but both the local and the remote Kilomux-2100/2104 units successfully pass the local main link loops.

When loop 3 is activated on a modem that supports this function, the Kilomux-2100/2104 transmit signal is returned by the local modem on the receive path.

When loop 2 is activated on a modem on a modem that supports this function, the remote modem returns the receive signal toward the local modem, therefore, the local Kilomux-2100/2104 transmit signal is returned to the receive path.

1.4 Technical Specifications

Interface See Table 1-1

Bit Rate See Table 1-1


1-6 Technical Specifications KML.1-5/N KM-2100-2104

Connector See Table 1-1

Control Signals RS-232, V.35 Full local support of all control signals

V.36 Full local support of all control signals, except RI

X.21 Local support of C and I signals

Clock Modes KML.1/N, KML.2/N, KML.3/N, and KML.4/N

DTE External DCE DCE

KML.5/N Internal Loopback

Alarms Triggered by the following events

Local loss of sync Remote loss of sync

Indicators

Diagnostics Self-tests Power-up self-test Continuous self-test during normal operation

Loopbacks Local loopback Remote loopback Loop 2 and loop 3 on main link modem as defined in

ITU-T Rec. V.54

Management Via supervisory terminal or RADview management system

KML.1-5/N KM-2100/2104 Normal Indications 2-1

Chapter 2

Installation and Operation This chapter provides installation instructions for the KML modules. The information presented in this chapter supplements the general Kilomux installation, configuration and operation instructions contained in the Kilomux Installation and Operation manual.

The KML modules contain components sensitive to electrostatic discharge (ESD). To prevent ESD damage, always hold the module by its sides, and do not touch the module components or connectors.

2.1 Installing KML Modules

The KML modules do not contain any userconfigurable internal jumpers.

To install the KML modules: 1. Insert a main link module into assigned I/O slot of the Kilomux enclosure.

The module starts operating as soon as it is plugged into an operating enclosure.

2. Connect the cables to the appropriate main link connector.

2.2 Normal Indications

The modules include the standard KML module indicators that are visible through the Kilomux-2100/2104 front panel.

During normal operation the ON LINE indicator of the active module must be ON. The TX and RX indicators light in accordance with the activity on the main link.

Caution

Chapter 2 Installation and Operation Installation and Operation Manual

2-2 Normal Indications KML.1-5/N KM-2100/2104

KML.1-5/N KM-2100/2104 3-1

Chapter 3

Configuration This section provides instructions for the configuration of the KML.1-5/N modules, using a supervision terminal. The instructions appearing in this section assume that you are familiar with the operation and capabilities of the supervision terminal.

Before starting the configuration procedure, obtain the list of prescribed parameters from the system administrator.

3.1 Configuration Instructions

If the supervision terminal is not yet connected to the Kilomux system, connect the terminal and start a configuration session in accordance with the instructions in Chapter 4 of the Kilomux system manual.

Configuration of the KML module is performed by means of DEF ML or DEF ML B command, refer to Kilomux-2100/2104 Installation and Operation manual for detailed description of the configuration procedure. Refer to Table 3-1 for the description of the module parameters and their values.

To configure the KML module: 1. Type:

DEF ML or DEF ML B 2. Assign the appropriate values to the module parameters (see Table 3-1).

3.2 Module Parameters

Table 3-1 explains the KML module parameters that can be configured. The table also lists the parameter values included in the Kilomux-2100/2104 default configuration. The selected parameter values are used by both KML modules that may be installed in a Kilomux-2100 enclosure.

The DWLD column indicates whether a parameter can be downloaded from the master to the slave when downloading is enabled (Kilomux-2000/2004 units only).

Chapter 3 Configuration Installation and Operation Manual

3-2 KML.1-5/N KM-2100/2104

Table 3-1. Module Parameters

Designation Function Values Configuration Guidelines DWLD

SPEED Determines the main

link rate

KML.1/N, KML.3/N, KML.4/N:

9.6, 14.4, 19.2, 28.8, 32, 48, 56,

64, 128, 192, 256, 384, 512, 768,

1024*, 1536*

KML.2/N:

9.6, 19.2, 32, 48, 56, 64, 128

KML.5/N:

64, 128

Default: 64

Select the main link data rate

specified for your

Kilomux-2100/2104

No

Notes: Data rates marked with an asterisk (*) are supported by Kilomux-2100/2104 units with KCL.2 software version 3.10 or higher.

TIMING Determines the

system timing mode.

KML.1/N, KML.2/N, KML.3/N and

KML.4/N:

DTE DTE timing

DCE DCE timing

E-DCE External DCE timing

Default: DTE

KML.5/N:

INT Internal timing

LBT Loopback timing

Default: INT

When the timing reference is

the internal oscillator, it is

not recommended to select

clock mode DTE2 for data

channels.

No

BUFFER_SIZE Determines the size of

the main link receive

buffer used in the DTE

and E-DCE modes.

8: 8 bits 256: 256 bits

Select the appropriate buffer

size, in accordance with the

communication link media:

256 bits for satellite links and 8 bits for any other medium.

Yes

DSR&CTS Determines the

handling of the DSR

and CTS signals for

the modules KML.1/N,

KML.2/N and KML.3/N.

When these signals

are logically OFF, the

transmit data line are

held to MARK

EXT: When DSR and/or CTS signals

are OFF, the transmit data line

is held at MARK

INT: The states of the external DSR

and/or CTS signals are

disregarded; and both signals

are assumed to be

continuously ON (the transmit

data is then not held to MARK

when the state of either

external line is OFF)

Default: INT

For KML.1/N, KML.2/N, and

KML.3/N modules, select the

handling of the DSR and CTS

signals: INT if you want these

lines to be ignored, or EXT if

you want the transmit data

to be held at MARK when

either of these lines is OFF.

No

KML.1-5/N KM-2100/2104 Diagnostics 4-1

Chapter 4

Troubleshooting and Diagnostics

4.1 Alarm Messages

The KML modules generate the general messages of a main link module, which are listed in the Kilomux-2100/2104 Operation and Installation manual.

4.2 Diagnostics

The standard set of test loops for main link modules is described in the Kilomux-2100/2104 Operation and Installation manual. This set includes the local main link loop, the remote main link loop, the local main link modem loop 3, and the remote main link modem loop 2.

Main Link Loops

The Kilomux supports two types of main link loops:

Test loops activated on the KML modules. These loops provide information on the functioning of the KML modules. However, since the loops are performed at the interface between the Kilomux unit and the other system elements, these loops also provide information on the functioning of the complete unit.

Test loops activated on the modem serving the main link, provided the modem supports ITU-T Rec. V.54 loops. These loops provide information on the transmission equipment that provides the connection between the two Kilomux units.

The following explains the main link loops, describes the front panel indications that are relevant to the interpretation of the test results, and in addition provide a recommended testing sequence that allows the identification of the general location of a fault.

Local Main Link Loop

Always perform a local main link loop on each of the two Kilomux units.

Chapter 4 Troubleshooting and Diagnostics Installation and Operation Manual

4-2 Diagnostics KML.1-5/N KM-2100/2104

Local Main Link Loop - Signal Path

When a local loop is activated on a KML module, the main link transmit signal is returned to the input of the main link receive path at a point just before the line interface. In order to provide a keep-alive signal to the transmission equipment serving the link while the loop is activated, the line interface also transmits the signal to the line. The loop signal path is shown in Figure 4-1.

User or TestEquipment

RemoteKILOMUX

LocalKILOMUX


Figure 4-1. Local Main Link Loop, Signal Path

Local Main Link Loop Normal Indications and Fault Isolation

The TEST indicator of the local Kilomux lights The TXD and RXD indicators of the local Kilomux must light. If not, the local

Kilomux is defective

The SYNC LOSS indicator of the local Kilomux must be Off. If it lights, the local Kilomux is defective.

Do not set up a local loop in a remote Kilomux with inband management. Doing so could cause the main link connection to be lost.

Remote Main Link Loop

As a rule, connect the remote main link loop only if both Kilomuxes pass the local main link loop test successfully.

Remote Main Link Loop Signal Path

The remote loop is connected on the local Kilomux unit, i.e., the local KML module returns the received signal toward the remote Kilomux. The loop signal path is shown in Figure 4-2.

Caution

Installation and Operation Manual Chapter 4 Troubleshooting and Diagnostics


LocalKILOMUX

RemoteKILOMUX

Figure 4-2. Remote Main Link Loop, Signal Paths

Remote Main Link Loop Normal Indications and Fault Isolation

The TEST indicator of the local Kilomux lights The TXD and RXD indicators of the local and remote Kilomux units must light,

and the LOCAL SYNC LOSS indicator of the remote Kilomux unit must be Off.

If there is a problem, trace the fault by checking the indications in the order given below:

1. If the TXD indicator of the remote Kilomux unit does not light, the fault occurred in the remote Kilomux unit: check by performing a local main link loop on the remote unit.

2. If the TXD indicator of the remote Kilomux unit lights but the RXD indicator of the local Kilomux unit does not light, probably there is a problem in the transmit path to the local unit. There is however a low probability that the fault occurred in the local or remote Kilomux units: check by performing local main link loops.

3. If the RXD indicator of the local Kilomux unit lights, but its TXD indicator is Off, the local Kilomux unit is defective.

4. If the TXD indicator of the local Kilomux unit lights but the remote RXD indicator is Off, probably there is a problem in the transmit path to the remote unit. There is however a low probability that the fault occurred in the remote Kilomux unit: check by performing a local main link loop on the remote unit.

5. If the RXD indicator of the remote Kilomux unit lights, but its LOCAL SYNC LOSS indicator lights, a fault is present. The fault is in the remote Kilomux: check by performing a local main link loop.

Local Main Link Modem Loop - Loop 3

The main purpose of the main link modem loop 3 is to check the connections between the KML module and the local modem. Usually, this loop is activated after the remote main link loop fails but both the local and the remote Kilomux units successfully pass the local main link loops. If this loop is successful, the next loop to be performed is the remote main link modem loop, loop 2.



Therefore, as a rule, perform loop 3 only after successfully performing a local main link loop on the local Kilomux unit.

Main Link Loop 3 Signal Path

When loop 3 is activated on a modem that supports this function, the Kilomux transmit signal is returned by the local modem on the receive path. The loop signal path is shown in Figure 4-3.

Local Modem

Remote Modem


LocalKILOMUX


RemoteKILOMUX

Figure 4-3. Main Link Modem Loop 3, Signal Path

Main Link Loop 3 Normal Indications and Fault Location

The TEST indicator of the Kilomux lights. The TXD and RXD indicators of the local Kilomux must light, and the

LOCAL SYNC LOSS indicator must be Off. If not, the connections to the modem, or the modem itself, are defective.

Remote Main Link Modem Loop - Loop 2

The main purpose of the main link modem loop 2 is to check the link between the two modems that serve the main link. As a rule, perform loop 2 only after successfully performing loop 3 on the local Kilomux unit.

Main Link Modem Loop 2 Signal Path

When loop 2 is activated on a modem that supports this function, the remote modem returns the receive signal toward the local modem, therefore the local Kilomux transmit signal is returned to the receive path.

The loop signal path is shown in Figure 4-4.

Installation and Operation Manual Chapter 4 Troubleshooting and Diagnostics


Local Modem

Remote Modem


LocalKILOMUX-2100


RemoteKILOMUX-2100

Figure 4-4. Main Link Modem Loop 2, Signal Path

Main Link Modem Loop 2 Normal Indications and Fault Location

The TEST indicator of the Kilomux lights. The TXD and RXD indicators of the local Kilomux must light, and the LOCAL

SYNC LOSS indicator must be Off. If not, the connections and/or the link between the two modems, or the modems, are defective.

KML.1-5/N KM-2100/2104 KML.1/N Module A-1

Appendix A

Connector Pinouts This appendix provides information on the type and pin allocation of the interface connectors installed on the KML modules.

In the direction field, the following conventions are used:

In Input into Kilomux-2100/2104 Out Output from Kilomux-2100/2104.

A.1 KML.1/N Module

The V.35 interface of the KML.1/N module terminates in 34-pin female connector (Kilomux-2100) or DB-25 female connector (Kilomux-2104). Table A-1 lists connector pinout.

Table A-1. KML.1/N Connector Pinout

34-Pin Connector

DB-25 Connector

Designation Direction Function

A 1 FGND Frame ground

B 7 SGND Signal ground

C 4 RTS Out Request to send

D 5 CTS In Clear to send

E 6 DSR In Data set ready

F 8 DCD In Data carrier detect

H 20* DTR Out Data terminal ready

J 22 RI In Ring indicator

P 2 TD(A) Out TX data - A wire

R 3 RD(A) In RX data - A wire

S 14 TD(B) Out TX data - B wire

T 16 RD(B) In RX data - B wire

U 24 ETC(A) Out External TX CLK - A wire

V 17 RC(A) In RX CLK - A wire

W 11 ETC(B) Out External TX CLK - B wire

Appendix A Connector Pinout Installation and Operation Manual

A-2 KML.2/N Module KML.1-5/N KM-2100/2104

Table A-1. KML.1/N Connector Pinout (Cont.)

34-Pin Connector

DB-25 Connector

Designation Direction Function

X 9 RC(B) In RX CLK - B wire

Y 15 TC(A) In TX CLK - A wire

Z 20* ERC(A) Out External RX CLK - A wire

AA 12 TC(B) In TX CLK - B wire

BB 23 ERC(B) Out External RX CLK - B wire

HH 21 RLB Out Remote loop

JJ 18 LLB Out Local loop

KK 25 TM In Test mode

* JP1 internal jumper controls designation of pin 20. Default setting of the JP1 jumper is ERC (relevant for Kilomux-2104 only).

A.2 KML.2/N Module

The RS-232 interface of the KML.2/N module terminates in 25-pin D-type female connector. Table A-2 lists connector pinout.


Pin Designation Direction Function

1 FGND Frame ground

2 TD Out TX data

3 RD In RX data

4 RTS Out Request to send

5 CTS In Clear to send

6 DSR In Data set ready

7 SGND Signal ground

8 DCD In Data carrier detect

9 +12V Out See note 1

10 -12V Out See note 1

11 ERC Out External RX CLK

15 TC In TX CLK

17 RC In RX CLK

18 LLB Out Local loop

Note

Installation and Operation Manual Appendix A Connector Pinout




20 DTR Out Data terminal ready

21 RLB Out Remote loop

22 RI In Ring indicator

24 ETC Out External TX CLK

25 TM In Test mode

Pin 9 and pin 10 are connected to the +12V and -12V lines through a 300, 1/2W series resistor.

A.3 KML.3/N Module

The RS-530 interface of the KML.3/N module terminates in 25-pin D-type female connector. Table A-3 lists connector pinout.



1 FGND Frame ground

2 TD(A) Out TX data - A wire

3 RD(A) In RX data - A wire

4 RTS(A) Out Request to send - A wire

5 CTS(A) In Clear to send - A wire

6 DSR(A) In Data set ready - A wire


8 DCD(A) In Carrier detect - A wire

9 RC(B) In RX CLK - A wire

10 DCD(B) In Carrier detect - B wire

11 ETC(B) out External TX CLK - B wire

12 TC(B) In TX CLK - B wire

13 CTS(B) In Clear to send - B wire

14 TD(B) Out TX data - B wire

15 TC(A) In TX CLK - A wire

16 RD(B) In RX data - B wire

17 RC(A) In RX CLK - A wire

18 LLB Out Local loop

Note





19 RTS(B) Out Request to send - A wire

20 ERC(A) Out External RX CLK - A wire

21 RLB Out Remote loop

22 DSR(B) In Data set ready - B wire

23 ERC(B) Out External RX CLK - B wire

24 ETC(A) Out External TX CLK - A wire

25 TM In Test mode

A.4 KML.4/N Module

The X.21 interface of the KML.4/N module terminates in 15-pin D-type female connector. Table A-4 lists connector pinout.



1 FGND Frame ground

2 T(A) Out TX data - A wire

3 C(A) Out Control - A wire

4 R(A) In RX data - A wire

5 I(A) In Indication - A wire

6 S(A) In Signal timing - A wire

7 ETC(A) Out External TX CLK - A wire (see Note below)


9 T(B) Out TX data - B wire

10 C(B) Out Control - B wire

11 R(B) In RX data - B wire

12 I(B) In Indication - B wire

13 S(B) In Signal timing - B wire

14 ETC(B) Out External TX CLK - B wire

(see Note below)

The ETC signal is not standard in accordance with ITU-T Rec. X.21 and can be disconnected by removing two internal jumpers.

Note

Installation and Operation Manual Appendix A Connector Pinout


A.5 KML.5/N Module

The G.703 Codirectional interface of the KML.5/N module terminates in 8-pin RJ-45 connector. Table A-5 lists connector pinout.



1 TD (T1) Out Transmit data - A wire

2 TD (R1) Out Transmit data - B wire

3 Not connected

4 RD (T) In Receive data - A wire

5 RD (R) In Receive data - B wire

6 Not connected

7 Not connected

8 Not connected

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Manual Name: KML.1-5/N

Publication Number: 420-220-02/08

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Publication No. 420-220-02/08

International Headquarters 24 Raoul Wallenberg Street

Tel Aviv 69719, Israel

Tel. 972-3-6458181

Fax 972-3-6498250, 6474436

E-mail [email protected]

North America Headquarters 900 Corporate Drive

Mahwah, NJ 07430, USA

Tel. 201-5291100 Toll free 1-800-4447234

Fax 201-5295777

E-mail [email protected]

www.rad.com The Access Company

Front Matter KML.1-5/NNotice

ContentsChapter 1 Introduction1.1 OverviewApplication

1.2 Physical Description1.3 Functional DescriptionTiming ModesTiming Modes Supported by KML.1/N, KML.2/N, KML.3/N, and KML.4/N ModulesTiming Modes Supported by the KML.5/N Module

ManagementDiagnostics and Maintenance Functions

1.4 Technical Specifications

Chapter 2 Installation and Operation2.1 Installing KML Modules 2.2 Normal Indications

Chapter 3 Configuration3.1 Configuration Instructions3.2 Module Parameters

Chapter 4 Troubleshooting and Diagnostics4.1 Alarm Messages4.2 DiagnosticsMain Link LoopsLocal Main Link LoopRemote Main Link LoopRemote Main Link Modem Loop Loop 2

Appendix A Connector PinoutsA.1 KML.1/N ModuleA.2 KML.2/N ModuleA.3 KML.3/N ModuleA.4 KML.4/N ModuleA.5 KML.5/N Module

Back MatterCustomer Response Form Error Report

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