X305 Jumper - Power Supply On/Off; X303 Battery Terminal - Siemens FC2025 Manual

10.3.3 X305 Jumper – Power Supply On/Off
X305 jumper is used to configure the periphery board for one or two power supplies.
The factory setting must not be changed because only operation with one power
supply is supported.
X305

10.3.4 X303 Battery Terminal

A cable harness is required to connect batteries to the periphery board. The battery
connector end that goes on the periphery board at X303 can only connect one way
because it is keyed.
The battery connection is made once the system has been configured through jumpers
and modules, and after AC has been applied.
Pin Designation
1 BAT (+)
2 BAT (-)
Admissible cable cross-section: 1 x 12...18 AWG or 2 x 16...18 AWG
The hardware required to connect the batteries to the periphery board is in the battery kit.
Siemens Industry, Inc.
Building Technologies Division
Jumper position Function
1-2 Disable power supply #2
Description
DC 24 V feed for battery (RED WIRE)
Return (Ground) feed for battery (BLUE WIRE)
FS20 Marine Fire Detection Control Panel
Definition
Default setting, DO NOT change
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