OfficeServ 7400 INSTALLATION
TECHNICAL MANUAL PART 7 MAY 2010
7.35
MISC 1 and MISC 2 ports are located on the front panel of the LP40.
Dry Contact
Dry Contact is a switch that can connect or cut the power or line to external
equipment.
7.2.3 Loud Bell Interface
When a station requires loud ringing, assign or pair that station to an audible ring tone output
on the MIS daughterboard using MMC 205.
MISC
FUNCTION # in MMC 724
DEFAULT
DN
CAB1 CAB2 CAB3
04 3995 3996 3997
Next connect the output from the MIS daughtercard to a customer provided paging system
or other suitable customer provided speaker (see Figure 7.33).
7.2.4 Connecting Common Bell
A customer-provided loud ringing device can be controlled using a dry contact pair on the
MIS daughter board.
Common bell connections should be wired to the MISC 1 and MISC 2 ports of the LP40 board.
An MIS optional daughterboard should be installed on the LP40 board.
By using MMC 204 programming allows for interrupted or continuous operation of the
contacts. The interrupted selection follows the CO ring cadence, 1 sec ON/3 sec OFF.
MISC
FUNCTION # in MMC 724
DEFAULT
DN
CAB1 CAB2 CAB3
05 3991 3992 3993
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