NT8D15 E&M Trunk card Page 645 of 894

Figure 150

E&M trunk card – typical cross connection example

System

 

 

 

Cross connect

NT8D37

 

 

 

 

 

IPE Module

 

Module

 

NT8D15

 

 

I/O Panel

 

Slot 0

Connector

 

E&M

 

 

 

 

 

A

 

MDF

Trunk Card

 

 

 

 

 

 

 

 

 

 

0TA

26

(W-BL)

TipA

 

 

0TB

(BL-W)

TipB

 

 

1

 

 

0RA

(W-O)

RingA

 

 

27

 

 

0RB

(O-W)

RingB

 

 

2

Unit 0

 

0E

(W-G)

E

 

28

 

 

0M

(G-W)

M

 

 

3

 

 

 

 

 

 

 

0ECG

29 (W-BR)

ECG

 

 

0ESCG 4 (BR-W)

ESCG

 

 

1T

30

(W-S)

Tip

 

 

1R

5

(S-W)

Ring

 

 

 

 

 

 

 

1E

31 (R-BL)

E

Unit 1

 

1M

6

(BL-R)

M

 

 

 

 

 

 

 

 

 

 

Part of

 

 

 

 

 

25-pair

 

 

 

 

 

cable

Unit 3

 

 

 

 

 

E&M trunk

connections

4-wire Type I E&M Trunk

2-wire

Type I

E&M

Trunk

Note: Actual pin numbers may vary depending on the vintage of

 

the card cage and the slot where the card is installed.

553-AAA1155

Circuit Card Description and Installation

Page 645
Image 645
Nortel Networks 553-3001-211 manual Trunk card typical cross connection example, Trunk Connections