Nortel Circuit Card 311 Reference page 877

From 50-pin MDF
connector
pin 25
pin 49
pin 24
The connection to the external digital carrier is through a 15-position male
D-type connector.
Table 362
DS-1 line interface pinout for NTBK04 cable
From 50-pin MDF
connector
pin 48
pin 23
pin 25
pin 49
pin 24
The connection to the external digital carrier is through a 15 position Male D
type connector.
Table 363
DS-1 line interface pinout for NTBK04 cable
From 50-pin MDF
connector
pin 48
pin 23
pin 25
pin 49
pin 24
Clock controller interface
The clock controller interface provides the recovered clock from the external
digital facility to the clock controller daughterboard through the backplane.
Depending on the equipped state of the clock controller, the clock controller
interface enables or disables the appropriate reference clock source, in
conjunction with software.
Copyright © 2003-2008, Nortel Networks
.
To DB-15 Signal name
pin 2 FGND
pin 3
pin 11
To DB-15 Signal name
pin 1
pin 9
pin 2 FGND
pin 3
pin 11
to DB-15 signal name
pin 1
pin 9
pin 2
pin 3
pin 11
Nortel Communication Server 1000
Circuit Card Reference
NN43001-311 01.04 Standard
Release 5.0 23 May 2008
T1 receive tip from network
R1 receive ring from network
T transmit tip to network
R transmit ring to network
T1 receive tip from network
R1 receive ring from network
T transmit tip to network
R transmit ring to network
FGND
T1 receive tip from network
R1 receive ring from network
Architecture 877
Description
frame ground
Description
frame ground
description
frame ground