Nortel Networks Accelar 1050 - Manual (Page 52)

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Appendix A Technical specifications
NN46110-313 02.01
Table 20 provides the ADSL port pinouts.
ISDN BRI interface card
The ISDN BRI S/T and ISDN BRI U interface cards have a single RJ-45
connector that provides the signals needed to interface to ISDN equipment. (To
connect the ISDN BRI S/T interface to the ISDN network, you must attach an
external NT-1 device to the RJ-45 connector.)
Figure 22 shows the ISDN BRI S/T interface card.
Figure 22
ISDN BRI S/T interface card
Figure 23 shows the ISDN BRI U interface card.
Figure 23 ISDN BRI U interface card
Table 20 ADSL cable pinouts
Pin Function
1 N/C
2 Tip
3 Ring
4 N/C
10972EA
ISDN-ST
10972EB
ISDN-U