Samsung OfficeServ 7400 Technical Manual page 114

OfficeServ 7400
TECHNICAL MANUAL
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 daughter board using MMC 205.
FUNCTION # in MMC 724
Next connect the output from the MIS daughter card 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 MISC1 and MISC2 ports of the LP40
board. MIS optional daughter board 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
MISC
CAB1
05 3991
7.26
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INSTALLATION
PART 7 JUNE 2006
DEFAULT
DN
CAB2 CAB3
3996 3997
see Figure 7.32.
DEFAULT
DN
CAB2 CAB3
3992 3993
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