Table 78 ntak09 switch settings, Table 78 – Nortel Networks NN43001-301 User Manual
Page 221
Install DTI hardware
221
Table 78
NTAK09 switch settings
Distance to digital
crossconnect
1
DCH F/W
2
(LEN 0)
3
(LEN 1)
4
(LEN 2)
0 - 133 feet
Off
Off
Off
On
133 - 266 feet
Off
On
On
Off
266 - 399 feet
Off
Off
On
Off
399 - 533 feet
Off
On
Off
Off
533 - 655 feet
Off
Off
Off
Off
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 221)
.
Table 79
DS-1 line interface pinout for NTBK04 cable
From 50-pin
MDF connector
to DB-15
Signal
name
Description
pin 48
pin 1
T
transmit tip to network
pin 23
pin 9
R
transmit ring to
network
pin 25
pin 2
FGND
frame ground
pin 49
pin 3
T1
receive tip from
network
pin 24
pin 11
R1
receive ring from
network
Nortel Communication Server 1000
ISDN Primary Rate Interface Installation and Commissioning
NN43001-301
02.03
Standard
Release 5.5
7 December 2007
Copyright © 2003-2007, Nortel Networks
.