Digital Security Controls Ltd. 163G4005 User Manual

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Ground: this terminal must be connected to the Mains Earth, in order to comply with the Telecommunications Net-
work Safety Standards (Overvoltage Protection Requirements).

LI

Internal telephone line: these terminals must be connected to the control panel or an alternative communication 
terminal.

LE

External telephone line: these terminals can be connected to the PSTN line.

T1

Default: output, PSTN fault.

Programmable terminals.These terminals can be programmed as follow.
– Open collector outputs: these outputs may be activated either by pro-
grammed events (automatic activation), or by a command sent via SMS, 
or through caller recognition (remote activation); please refer to the 
“Output activation” section for further information. The maximum current 
available at each OC output is 100 mA.
– Input lines: when these inputs receive alarm signals, they can activate 
the SMS and telephone dialer functions.

T2

Default: output, no cellular network.

T3

Default: input, interconnection pres-
ence.

T4

Default: output, tamper.

T5

Default: output, GSM fault.

T6

Default: output, Jamming.

M

Negative: Power supply and shared terminal for the Open Collector outputs.

+V

Power supplied by the control panel, at a level between 10.7 and 27.6V

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make sure that this is protected and operating at a limited current; Limited Power Source (LPS) in
conformity with EN 60950-1:2006 standard. To connect the supply use wires with a maximum 3 m length 
and 0.75 mm² cross-section. For shorter wires use suitable cross-sections.