AT&T Release 2.0 Telephone User Manual


 
Connecting Data Equipment
Two 7500B data modules
Two 7500B data module feature package 2 upgrades (user’s manuals
included)
Two multipurpose enhancements boards
By installing a multipurpose enhancement board in each 7500B data
module, you can provide synchronous communication and RS-366
ACU interface.
Two WP90110-L7 power supplies (one per standalone data module)
Two 440A4 terminating resisting adapters
277A multiple mounting (mounting for multiple 7500B units)
Cables:
— Two male/male EIA-232-D cables, 8 ft (24 m), to connect the
PORT 1
jacks on the data modules to the EIA-232/V.35
converters
— Two male/male V.35 DB-37 cables, 8 ft (24 m), to connect the
V.35 communication ports on the video codec to the EIA-
232/V.35 converters
— Two male/male RS-366 DB-25 cables, 8 ft (24 m), to connect
the RS-366 dialing port of the video codec to
PORT 2
on the
data module
Data Stations
6-19