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Bosch Security Systems | December 13, 2007
LTC 8540/00 Series | Instruction Manual | Installation
Typically any 2 conductor wire can be used between
the rear panel terminal block containing the unit relay
outputs and the VCR alarm input. If some other
external device is to be controlled, do not exceed the
relay ratings of 10 W, 0.75 A.
4.7 Interface Port Pinouts
Follow the table below if a cable other than the one
supplied with the LTC 8540/00 will be used.
9-Pin Function
1 Chassis Ground
2 Receive
3 Transmit
4CTS
5RTS
6 Data Ground
7 Data Ground
8 12 VAC in or 12 VDC in
9 12 VAC in or 12 VDC in