Intercall 600 - L634 Network Input;Output Module

Intercall 600/700 Installation & Operation Guide Issue 4.27 Page 46 of 78
L634 Network Input / Output Module.
The L634 is used to interface an external device(s) to the Intercall system network. The unit features three input
triggers; 2 non-latching and one remote reset and two outputs; one re-assurance LED and one Open Collector which
can be used to trigger external equipment for normal and emergency calls on the system. Typical applications include
telephone ring detectors, contacts from fire alarm/intruder/access control panels, input from remote buttons, where an
external contact is required to alert staff via the Intercall system. The unit may be used to connect two independent
Intercall systems to allow signalling, such that an active alarm on one system triggers a call on the other system and
visa versa.
Shown on the left is the L634 in use signalling between two independent Intercall systems, on the right is the L634 in
use with the TA1 Telephone Ring Detector to trigger a call on the system when the telephone is ringing.
Network Terminals: Connect to the Intercall 600 or 700 (2 wire) Network. [+, –] OBSERVE POLARITY
X Terminal: Remote Reset Input. Connect to negative to trigger a Standard Call which is reset when the
call is accepted at the display.
X2 Terminal: Non-Latching Call Input. Connect to negative to generate a Standard Call, when the
connection to negative is broken, the call will automatically reset within 6 seconds. This call
can be accepted at the display and will return after the accept timer has expired if the input
trigger is still active.
X3 Terminal: Non-Latching Emergency Call Input. Connect to negative to generate an Emergency Call,
when the connection to negative is broken, the call will automatically cancel within 6
seconds.
L Terminal: Re-assurance LED output +12V to confirm unit is triggered.
L2 Terminal: Open Collector Output, this output will only be active when there is a call on the Intercall
Network, which does not originate from this device. When linking two independent systems
together, you must also connect the Network (-) of both systems together.
JP1 Jumper: When fitted, the ‘L2’ output (described above) is only active for emergency and attack calls.
Installation: Flush or surface mount in standard ‘single size’ electrical back-box.
Size & Weights: 80 x 80 x 40 mm, 70g
Intercall 600
9
Intercall 700
9