Daughterboard Modules - Samsung OfficeServ 7200-S General Description Manual

2.4 DAUGHTERBOARD MODULES

4DLM
This daughter module is a four circuit digital station interface card that provides 1B+D service for the different
models of Samsung digital keyset.
4SLM
This daughter board module is a four circuit analog station interface for industry standard single line telephones
that require operation of an industry standard message waiting lamp with a voltage range of 85~96 VDC.The card
can only be installed on the UNI card. The lamp can flash at a rate of 200ms to 500ms ON/OFF times. The 4SLM
does not contain any over-voltage protection and is not qualified a OPX. It also does not contain DTMF receivers,
but instead shares the system DSP resources. The OfficeServ 7200-S 4SLM supports Caller ID to single line tele-
phones. The 4SLM can only be inserted in any of the three slots on the UNI card. Each port on this card is intended
for connection to one telephone. Connecting multiple telephones to a port may result in incorrect operation or
damage to the card. See installation manual for details.
4TRM
This daughterboard module contains four loop
start C.O. lines interface circuits with C.O. discon-
nect detection. It also contains the circuitry need-
ed for Caller ID. The 4TRM can only be inserted in
any of the three slots on the UNI card. Each port on
this card is intended for connection to Telco.
installation manual for details.
4SWM (DATA MODULE)
The OfficeServ 7200-S supports one enterprise class data module. The 4SWM can be combined in the same cab-
inet with the telephone system cards to provide a converged voice and data solution. 4SWM, which is a data
board of OfficeServ 7200-S, provides 10/100 BASE-T interface and performs the Layer2 Switch function as the
data transmission/reception board to/from a LAN. These ports can be used to connect IP phones, WAPs, SP-Net,
LAN printers, PC programming, uplink to other data switches or any other Ethernet devices. This module may be
used in conjunction with the licensed MGI channels when providing IP telephony services. This module can only
be installed on the optional daughter board slot on the MP20S card.
The main functions of the 4SWM board are as follows:
• Auto-detection function of 100 BASE-T and Full/Half duplex
• Layer 2 Switch function
• 802.1p and VLAN function to support QoS
• Flow Control (802.3x)
• Spanning Tree Protocol (RSTP)
• IGMP Snooping
See installation manual for details.
See
2.4
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See installation manual for details.
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UNI CARD
FIGURE 2-2