Nortel 1000 Installation And Commissioning Manual page 221

Table 78
NTAK09 switch settings
Distance to digital
crossconnect
0 - 133 feet
133 - 266 feet
266 - 399 feet
399 - 533 feet
533 - 655 feet
Connect the cables
For Small Systems, connect the NTBK04 cable to the 50-pin amphenol
connector below the card slot in which the NTAK09 circuit card is installed.
Connect the other end of the cable to the CSU or DSX-1 cross connect.
The NTBK04 is twenty feet long. If additional distance is required, the
NT8D97AX 50-foot extension is available up to a 600-foot maximum. The
only cable required to support the NTAK09 circuit card is the NTBK04.
Pinout information on the NTBK04 cable is given in
interface pinout for NTBK04 cable" (page
Table 79
DS-1 line interface pinout for NTBK04 cable
From 50-pin
MDF connector
pin 48
pin 23
pin 25
pin 49
pin 24
Copyright © 2003-2007, Nortel Networks
.
to DB-15
pin 1
pin 9
pin 2
pin 3
pin 11
Nortel Communication Server 1000
ISDN Primary Rate Interface Installation and Commissioning
NN43001-301 02.03 Standard
Release 5.5 7 December 2007
Install DTI hardware 221
1 2
DCH F/W (LEN 0)
Off Off
Off On
Off Off
Off On
Off Off
221).
Signal
name
T
R
FGND
T1
R1
3 4
(LEN 1) (LEN 2)
Off On
On Off
On Off
Off Off
Off Off
Table 79 "DS-1 line
Description
transmit tip to network
transmit ring to
network
frame ground
receive tip from
network
receive ring from
network