Nortel Communication Server 1000S Installation And Configuration Manual page 57

Table 12
NTCK79AA cable pins (Part 1 of 2)
Cable Name
0 T-PRI0TX
0 R-PRI0TX
0 T-PRI0RX
0 R-PRI0RX
1 T-PRI1TX
1 R-PRI1TX
1 T-PRI1RX
ISDN Primary Rate Interface equipment overview
NTCK79AA (A0618296)
The NTCK79AA (40 ft) is a 75Ω coaxial cable for connecting the TRK port
on the DDP2 faceplate (P1, D-type 9 pin male) to the Line Terminating Unit
(LTU) (P2, P3, P4, P5 BNC males).
Figure 12
NTCK79AA
P1
D-type
9 pin, male
Table 12 lists the pin attributes for the NTCK79AA cable.
Description
Trunk 0 Transmit Tip
Trunk 0 Transmit Ring
Trunk 0 Receive Tip
Trunk 0 Receive Ring
Trunk 1 Transmit Tip
Trunk 1 Transmit Ring
Trunk 1 Transmit Tip
ISDN Primary Rate Interface
BNC
males
DDP2
Color pins
Red P1-1
Red P1-2
Green P1-3
Green P1-4
Red P1-5
Red P1-6
Green P1-7
Installation and Configuration
Page 57 of 394
P2: Unit 0 Tx
P3: Unit 0 Rx
P4: Unit 1 Tx
P5: Unit 1 Rx
553-7388
NCTE pins
P2 inner
conductor
P2 shield
P3 inner
conductor
P3 shield
P4 inner
conductor
P4 shield
P5 inner
conductor