AT&T System 85 ユーザーズマニュアル

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ADJUNCT POWER
D8W
cord
Line jack
D4BU cord
(for analog
telephones)
or
D8W cord
(for DCP and
ISDN-T voice
terminals)
Bottom view of
voice terminal/telephone
(7444 shown here)
MSP-1
Power Supply
PHONE
-7 +8
OTHER
LINE
-2 +5
Wall jack
Adjunct jack
FIGURE 2-5.  Local Powering Arrangement for: ISDN-T VTs; the DCP 7444 and 8434 VTs
(for their VF Displays); and Adjuncts Connected to All Telephones Except the 8102
2-37