Intercall 600/700 Installation & Operation Guide Issue 4.27 Page 47 of 78
L752 Audio Call Point.
An Audio Call Point is required for every individual call location on the system where the two way intercom facility is
required. It features seven levels of call, hands free two way intercom, integral infra red receiver, programmable
emergency button, audio page facility, audible call re-assurance, re-assurance LED and ‘another call’ sounder. The
industry standard trigger socket will accept pear leads, pressure mats, portable radio triggers and a host of other
triggering devices. The unit flush mounts into a standard double gang backbox or may be surface mounted using the
Intercall BB1. Please refer to the information contained on page 22 for more information regarding installation and
performance of the Infra Red receiver.
Network Terminals: Connect to the Intercall 700 four wire Network. [A,B,+, –] OBSERVE POLARITY
X1 Terminal: Standard Call Input – automatically generates System User ID 3.
X2 Terminal: Emergency Call Input – automatically generates System User ID 4.
X3 Terminal: Reset/Present Input for use with the Slave Points.
L1 Terminal: Output signal to drive ceiling pull switches with built in re-assurance lights.
Max load 12v 10mA
L2 Terminal: Output signal to drive Slave Reset Point Green LED.
Max load 12v 10mA
- Terminal: Additional Network negative common terminal for auxiliary connections.
Emergency Jumper: Remove to disable the Emergency button on the front panel.
Address Switches: Set to unique setting between 1 and 215.
Re-assurance LED: Slow Red flashing – Standard Call
Faster Red flashing – Priority Call
Slow Red/Green flashing – Assistance Call
Rapid Red flashing – Emergency/Crash Call
Green flashing - Accepted Call / Intercom operating [Slow Flash]
Constant Green – Nurse Present Mode
Audio gain control: Controls the speech level output from the call point. This does not effect the volume from the
speaker in the call point.
IR Receiver: Typically, the unit will cover a room 6m x 6m. Important: Refer to notes on Page 22.
Installation: Flush mount using standard ‘double size’ electrical backbox or surface mount using BB1
Size & Weights: 160 x 115 x 25 mm 135g
Intercall 600
8
Intercall 700
9
Very Important: When flush mounting in metal backbox, ensure the backbox is bonded to mains electrical earth.