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145
(MT12 - Gb2004)
I
NTERCOMS
*
V
IDEOINTERCOMS
*
T
ELECOMMUNICA
TION
coax
6 INTERCOMMUNICATING VIDEO INTERCOMS
Read notes 1ac, 2, 3, 4 and 5 of page 124.
5 VIDEO INTERCOMS AND 1 INTERCOM WITH INTERCOMMUNICATING SERVICE
MULTI-WAY additional diagrams
Read notes 1ac, 2, 3, 4 and 5 of page 124.
D = 100V-1A diode (type 1N4007)
D = 100V-1A diode (type 1N4007)
VC =
WB5100
1283
WB5600
WB2100
1283
CT =
PT510
PV100
924
or, if intercommunicating
PT520 + SR40 + PT501
or, if intercommunicating
WB5160
1283
WB5660
WB2160
1283
VC =
WB5100
1283
WB5600
WB2100
1283
or, if intercommunicating
WB5160
1283
WB5660
WB2160
1283