AT&T Bell System 1A Manual page 15

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610
TYPE
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INTERFACE
PANEL
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MSON
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MSON (TO GC LEAD)
TO PBX
770A
SOIA
812A
P86A (MD) _ _ _
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f - - - - - -
800A
ELECTRONIC
PBX
TO PC
-AATR
800A
TRAffiC
MEASUREMENT
LEADS ~-------'
ELECTRONIC
PBX
ELECTRO•
ME CHAN I CAL
PBX OR
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A P50B CORD MAY BE USED IN
ADDITION FOR ADDED LENGTH.
·48, GND
P86
\1508
P508
PI•P4
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REM SCANNER
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DETECTORS
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PROVIDED)
D AND T 'J I
RELAYS
WITHOUT
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( P50B (
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GC
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( W3BG
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NOT USED - - - - -
\liTH ELECTRONIC \12F'Y CORD OR
.............
,
DTC
TEL LINE
SYSTEMS DIRECT \liRE
T DATA
SET
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M25B CORD
R
TOCCU
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DATA REPEATER
RCVR
Fig. 7_.REM Scanner and Data Set-Block Diagram.
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