Nortel Networks 2700 User Manual

  Appendix A  Technical specifications

NN46110-311 02.01

 provides the ISDN BRI U cable pinouts.

The T1/E1 CSU/DSU WAN interface card has a single connector that provides the 
signals needed to interface to T1 or E1 equipment. Nortel ships this interface card 
as a half-height card and as a full-height card.

 shows the T1/E1 CSU/DSU WAN interface card (half-height card)

.

T1/E1 CSU/DSU WAN interface card

 shows the T1/E1 CSU/DSU WAN interface card 

(full-height card).

ISDN BRI U cable pinouts

1

N/C

2

N/C

3

N/C

4

U interface network connection (tip)

5

U interface network connection (ring)

6

N/C

7

N/C

8

N/C

Note: For E1 service, you must install the half-height version of the 

 

T1/E1 CSU/DSU WAN interface card.