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LTC 8555 Series | Instruction Manual | Data Interface and Cable Pinouts
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Bosch Security Systems | 29 August 2003
8DATA INTERFACE AND
CABLE PINOUTS
NOTE 1: Supply voltage varies based on Allegiant
system model. Typical values are 14VAC or 12VDC.
Keyboard 6-Pin Interface Connector
Pin Connection
1 Supply voltage
1
2 Gnd
3 Data --
4 Data +
5 Gnd
6 Supply voltage
1
Supplied 6-Pin Data/Power Cable
(Replacement part number 303 0239 001)
Side Connection Side
1 Supply voltage
1
6
2 Gnd 5
3 Data + 4
4 Data – 3
5 Gnd 2
6 Supply voltage
1
1
Allegiant Console Cable Pinouts (part number LTC 8506/00)
Allegiant Side (Console Port) PC Side (Serial Port)
Pin Connection Pin Connection
1 No connection --- ---
2 Rx 3 Tx
3 Tx 2 Rx
4CTS 1, 7CD, RTS
5 RTS 8 DTR
6 No connection --- ---
7 Data Gnd 5 Data Gnd
8 No connection --- ---
9 No connection --- ---
(Jumper pins 4 & 6)