Samsung iDCS500 Manual page 21

Multi-Frequency Module (MFM)
The MFM Module installs in any position of any of the processor cards. The main purpose of the
RCM daughter board is to provide DSPs for DTMF and tone detection.
The receivers are also used for DID trunks, E&M trunks, DISA, DNIS and ANI.
Twelve (12) channels for DTMF Receiver and tone detection.
Expanded Switch Module (ESM)
The Expanded Switch Module is used to expand the time switch matrix from 512 channels in a single
cabinet to the 1024 channels required for a multiple cabinet system.
The ESM daughter board installs in position LOC1 and consists of the following:
1024 x 1024 time switch
R2/CID Module (RCM)
The R2/CID Module installs in any position on any of the processor cards. The main purpose of the
RCM daughter board is to provide Caller ID decoders for use with that telephone company provided
service over analog trunks. A secondary use of the RCM is to provide R2 MFC senders and receivers
to the system although these are not used in the US. The system can support up to three of these
cards for a total of 42 CID receivers.
The RCM consists of the following:
Fourteen (14) CID receivers (for use with Caller ID on analog trunks)
Miscellaneous Function Module (MISC)
The Miscellaneous Function Module (MISC) daughter board installs in position LOC3 on the MCP
card in a single cabinet system or in position LOC2 on the SCP or position LOC2 on the LCP card(s) in
a multiple cabinet system. The MISC daughter board is used to provide external music on
hold/audio inputs (radios, digital announcers, etc.), external paging auto output, loud bell, common
bell and assignable dry contact closures. The system can support up to three of these daughter
boards, one on the MCP or SCP and one on each of the LCPs.
The MISC consists of the following:
Two (2) external music/audio inputs
One (1) external paging audio output
One (1) loud bell relay contact closure
One (1) common bell relay contact closure
Two (2) software assignable relay contact closures
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