Smartmedia Cards; Interface Cards; Trunk Cards - Samsung OfficeServ 7400 General Description Manual

2.2.2 SMARTMEDIA CARDS

An OfficeServ 7400 system must have a SmartMedia card installed in the main control processor (MP40) as the
SmartMedia card contains the system operating software. The SmartMedia card can also be used to store a back-
up customer database to supplement the database stored in NAND Flash. In addition the SmartMedia card can
store backup copies of the operating software for the LP40, and TEPRI cards.

2.3 INTERFACE CARDS

These cards provide the interface connections for telephone lines and stations to the KSU and expansion cabi-
nets. These cards fit into the universal card slots to configure the system as required.

2.3.1 TRUNK CARDS

8TRK BOARD
This card contains eight loop start C.O. line interface circuits with C.O. disconnect detection. It also contains the
circuitry needed for Caller ID. It can be inserted in any universal card slot in all cabinets.
TEPRI/TEPRIa DIGITAL TRUNK BOARD
When programmed as a T1 this card provides up to 24 trunk circuits in any combination of the following:
• Loop start lines
• DID (Direct Inward Dialing)
• Ground start lines
• E & M tie lines or two way DID calling
When the card is programmed as a PRI it will provide 23 bearer channels and 1 data channel (23B+D). This card
can be installed in any universal slot in any OfficeServ 7400 cabinet. If using an OfficeServ 7200 expansion cabi-
net, this card can only be installed in slot 3. This card is also used for networking to other systems (QSig/PRI net-
working)*. Add as many as required.
2.3
FIGURE 2-1