25
4 In-Home: Video users
Accessory
ZPSF 850-0
Parallel switching accessory for
integration into deluxe handsfree
bus telephone BFC 850-... Circuit
board for connection of an
additional power supply. When
programming manually, required
from the third BFC 850-... , when
programming by PC from the fth
BFC 850-... . Supply 20 - 30 V DC
from NG 602-... or VNG 602-...,
current consumption max. 100 mA.
Required for the function
parallel door call, collective paging
announcement / internal group call
to more than 2 bus telephones.
When programming with BPS 650-...
4 bus telephones.
ZARF 850-0
Handsfree interfacing relay accessory
for integration into the bus
hands free telephone BFS 850-...
Universal switching relay for
secondary signal unit, video
actuation or switching relay,
potential-free switching contact.
Potential-free contact max.
15 V AC / 30 V DC, 1 A,
switching time 0.4 secs. – 19 mins.
Supply via the In-Home bus.
In their basic equipment con-
guration, bus telephones BTSV/
BTCV 850-... provide one potential-
free contact.
ZTCV 850-0
Table-top accessory for bus
telephones with colour monitor
BTCV/BFCV 850-0 as well as BTSV/
BFSV 850-03 for conversion from a
wall to a table-top unit. Slip-proof
console with 2 rubber feet but
without telecom socket UAE 8/8.
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