User's Manual Chapter 13

Chapter 6: Internal Photographs
AT&T Wireless Services
6-55
FCC Type Acceptance Application
10991 Rev. 1.0 7/6/99
The Network Interface card provides physical and logical termination
for up to four T1 lines carrying either 64 kbps PCM voice or packetized
data between the Base Station and either the Local Digital Switch
(LDS) or a Data Service Node (DSN) external to the Base Station.
Figure 6.15—Network Interface Card (NIF)