Bentel Security B3G-220, Installation Manual

Page: 11 / 64

220 Series 11
Description of terminals
Terminals Description
-
Ground: this terminal must be connected to the electrical system ground to protect the device against overvoltage
on the telephone line and to satisfy safety requirements.
LI
Internal telephone line: these terminals must be connected to the panel or other communications terminal.
LE
External telephone line: these terminals may be connected to the PSTN line.
T1
Factory setting: output, PSTN fault. Programmable terminals: these terminals can be programmed as
described below.
— Open-collector outputs: these outputs can be activated by
programmed events (automatic activation), SMS or by call
recognition (remote activation); see “Output activation” for details.
The maximum current draw per output is 100 mA.
Inputs: these inputs send SMS or voice messages when activated.
T2
Factory setting: output, no cellular network.
T3
Factory setting: input, interconnection present.
T4
Factory setting: output, tamper.
T5
Factory setting: output, GSM fault.
T6
Factory setting: output, Jamming.
M
Earth: power negative and common terminals for the open-collector outputs.
+V
Power supplied by panel 10.7 to 27.6 V
_
: make sure it is protected and current limited (Limited Power Source —
LPS) in conformity with EN 60950-1:2006 standard).
To connect the power, use cable of no more than 3 metres length, and 0.75 mm² cross-section.
For shorter cables, use appropriate cross-sections.