MCE-325 Programmable User Station
Installation 27
Bosch Security Systems, Inc.
Technical Manual
F.01U.193.228
Rev. 13
Electrical Installation
AC Power and Fuse
The Model MCE-325 is pre-wired for either 110 or 220 VAC operation, and the appropriate fuse is already installed. The
MCE-325 uses a 0.5A Slo-Blo fuse for 110 volt operation, or a 0.25A Slo-Blow fuse for 220 volt operation. A fused external
DC source may be used instead of AC power if desired. (See “External DC Power Source” on page 31.)
Intercom Lines J8, J9, J10
General
Intercom line connectors J8 and J9 are parallel-wired for loop-through connection to other intercom stations. These connectors
are used for connection of 2-wire line to channels one and two (full-duplex operation), or for connections of 4-wire CH A
output (CH A input is connected at the auxiliary connector).
Intercom line connector J10 is used for connections of 2-wire lines to channels 3 and 4 (full-duplex operation), or for
connections of 4-wire CH B output (CH B input is connected at the auxiliary connector).
Connector Pin Outs
TABLE 4.
Connectors J8 and J9
Pin #
Function
1
Common (low side of line)
2
2-wire CH 1 or 4-wire CH A high output
3
2-wire CH 2 or 4-wire CH A low output
TABLE 5.
Connector J10
Pin #
Function
1
Common (low side of line)
2
2-wire CH 3 or 4-wire CH B high output
3
2-wire CH 4 or 4-wire CH B low output
Содержание User Station MCE-325
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