Modem Daughter Board; Interface Cards; Trunk Cards - Samsung iDCS 500 General Description Manual

2.2.5 MODEM DAUGHTER BOARD

The Modem daughter board installs on the Input Output Modem card. The modem pro-
vides a 38.4K connection or with the LAN board installed 56K/V90 connection to the sys-
tem for use for remote administration and/or programming. The card has a default exten-
sion number of 3999 and eliminates the need for an external modem, serial cable, single
line telephone port and serial I/O port on the system.

2.3 INTERFACE CARDS

These cards provide the interface connections for telephone lines and stations to the KSU
and expansion cabinets. These cards fit into the universal card slots to configure the sys-
tem as required. iDCS 500 interface cards are encased in a static dissipative ABS plastic
shell to protect the PCB during handling.

2.3.1 TRUNK CARDS

TRUNK B1
This card contains four 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.
TRUNK C1
This card contains eight loop start C.O. line interface circuits with C.O. disconnect detec-
tion. It also contains the circuitry needed for Caller ID. It can be inserted in any universal
card slot in all cabinets.
GTRK
This card contains four ground start C. O. line interface circuits with disconnect detection.
It can be inserted in any universal card slot in any cabinets.
DID
This card contains four Direct Inward Dialing (DID) trunk interface circuits. This card can
be inserted in any universal card slot in any cabinet.
E & M
This card contains four 2 wire E & M tie lines, type one interface configuration (TL11M). It
can be inserted in any universal card slot in all cabinets. This card can be used for two
way DID calling.
2.6