Samsung OfficeServ 7400 Technical Manual page 139

OfficeServ 7400
TECHNICAL MANUAL
 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.
FUNCTION # in MMC 724
Next connect the output from the MIS daughtercard to a customer provided paging system
or other suitable customer provided speaker
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.
FUNCTION # in MMC 724
MISC
CAB1
04 3995
(see Figure 7.33).
MISC
CAB1
05 3991
7.35
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INSTALLATION
PART 7 MAY 2010
DEFAULT
DN
CAB2 CAB3
3996 3997
DEFAULT
DN
CAB2 CAB3
3992 3993
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