Nortel Networks NN43001-301 - 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 Table 79 "DS-1 line
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
.