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Overview

Thumbwheel Switches

The thumbwheel switches on the front of the NCC 2020 module are provided as a measure of last resort for configuring the NCC, and/or application modules it controls, when terminal access to the Craft interface is not possible.

It is preferred practice to use the Craft interface, Access Manager 2000 or Node Manager instead of the thumbwheels.

For a detailed procedure see “Thumbwheel Procedure” in Chapter 3.

Connector

DSX-1 Port

Net Port

Management

Management

Front Module

Interface Module

Connector

Connector

Port — In

Port — Out

Table 1-2

NCC Node Controller Series Connector Interface Modules Summary

The following illustrations show the connector interface modules used with the NCC 2020.

Figure 1-2

CIM 2020 Back Panel (RJ-48C)

CIMs for NCC 2020

The NCC 2020 front module must be installed with a rear connector module which provides ports for various interface requirements. The following table lists the connector modules that can be paired with the NCC 2020 Node Controller front module.

DB-9 DB-9

RJ-48C

RJ-48C

DB-9

DB-15

DB-15

DB-9

NCC 2020 (CSU and node controller)

CIM 2020 CIM 2025

REV *

311-10XXXX-001

CIM 2020

MANAGEMENT EXTENSION

NO COM NC

EXT TIMING

MANAGEMENT PORT IN

NETWORK

DB-9 male

Connector Alarm Relay

DIN 8 pin

DB-9 male

RJ-48C

Management

External

Management

T1 Network

Port In

Timing

ALARM RELAY

EQPT

Figure 1-3

CIM 2025 Back Panel (DB-15)

RJ-48C Equipment

Port Out

REV *

311-10XXXX-001

NO COM NC

EXT TIMING

MANAGEMENT PORT IN

NETWORK

Alarm Relay Connector

DIN 8 pin External Timing

DB-9 male Management Port In

DB-15 male T1 Network

EQPT

MANAGEMENT EXTENSION

ALARM RELAY

DB-15 female Equipment

DB-9 male Management Port Out

CIM 2025

1-4

Verilink NCC 2020 User Manual

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