92 Appendix A Technical specifications
Table 28 provides the ISDN BRI U cable pinouts.
Table 28 ISDN BRI U cable pinouts
Pin | Function |
|
|
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 |
|
|
T1/E1 CSU/DSU WAN interface card
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
Figure 39 shows the T1/E1 CSU/DSU WAN interface card (half-height card).
Figure 39 T1/E1 CSU/DSU WAN interface card
Note: For E1 service, you must install the
