7
25-Pin Connector
V.35 Adapter
V.35 Cable
Thumbscrews
99-16298
Model 3511 DSU V.35 Adapter Installation
(Feature Number 3000-F1-510)
Connecting to the Digital NetworkThe installed DSU is connected to the digital network through the 50-pin connectors on
the rear of the carrier. These interfaces are specified in USOC RJ48T. Proper network
connection to the DDS facility or a network channel terminating equipment must be
made at the far end of the cable.
To ensure proper network connection to the DDS facility or to network channel
terminating equipment:
Procedure
1. If the network line and remote DSU are installed and tested, perform a Remote
Loopback – Test Pattern Test (Point-to-Point or Multipoint).
2. If the Front Panel test switches strap is to be disabled, slide the DSU slightly out of
the carrier, open Switch S3-1, then reseat the DSU into the carrier. Do this now.
3. Write circuit ID information in the area provided on the cover plate under the
appropriate slot number.
The Model 3511 DSU and rear connector plate installation procedure is completed.