Nortel Networks 1750 manual ADSL WAN interface card

84 Appendix A Technical specifications

ADSL WAN interface card

The ADSL Annex A and Annex B WAN interface cards have a single RJ-11 connector that provides the signals needed to interface to the ADSL-provisioned telephone line.

“ADSL WAN interface card” on page 84 shows the ADSL WAN interface card.

Note: The ADSL Annex A and ADSL Annex B cards look identical.

Figure 27 ADSL WAN interface card

ADSL

RX/TX

CONN

Included in the accessory box with the ADSL WAN interface card is a 7-foot cable to attach to the DSLAM:

•The Annex A cable is an RJ-11 to RJ-11 cable.

•The Annex B cable is an RJ-11 to RJ-45 cable.

The following table provides the pinouts for the ADSL Annex A cable.

Table 25 ADSL Annex A cable pinouts

Pin	Function
1	N/C
2	Tip
3	Ring
4	N/C

NN46110-316 03.01