Nortel 2700, Руководство по установке

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Appendix A Technical specifications
NN46110-311 02.01
Table 28 provides the ISDN BRI U cable pinouts.
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 half-height card and as a full-height card.
Figure 39 shows the T1/E1 CSU/DSU WAN interface card (half-height card)
.
Figure 39
T1/E1 CSU/DSU WAN interface card
Figure 40 on page 93 shows the T1/E1 CSU/DSU WAN interface card
(full-height card).
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
Note: For E1 service, you must install the half-height version of the
T1/E1 CSU/DSU WAN interface card.