Interface Cards - Samsung OfficeServ 100 General Description Manual
Digital communications system
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Also See for OfficeServ 100:
- Installation manual (123 pages) ,
- User manual (92 pages) ,
- System administration manual (42 pages)
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Interface Cards
These cards provide the interface connections for telephone lines and stations to the KSU
and Expansion cabinet. They fit into the card slots to configure the system as required. Refer
to the Samsung OfficeServ 100 Installation Guide for information on how to recognise and
install interface cards.
1. Trunk Cards
AC15
Contains three 4-wire tielines. Signalling frequency is 2280 Hz.
3TRK
Provides three loop-start C.O. interface circuits. The first two circuits are equipped with
power failure transfer (PFT) relays. Each circuit contains a Polarity Reversal Signal (PRS) in-
terface. (The optional PRS hybrid chips for a Samsung DCS system can be used.)
6TRK
Provides six loop-start C.O. interface circuits. The first two C.O. circuits are equipped with
PFT relays. Each circuit contains a Polarity Reversal Signal (PRS) interface. (The optional
PRS hybrid chips for a Samsung DCS system can be used.).
2BRI
Contains two Basic Rate access ports, i.e. four ISDN channels. Protocol is compatible with
Euro–ISDN BRI. For S0 applications, power feeding to ports is selectable by programming.
(See also PLL, below.)
4BRI
Contains four Basic Rate access ports, i.e. eight ISDN channels. Protocol is compatible with
Euro–ISDN BRI. For S
(See also PLL, below.)
PLL
Any ISDN card (i.e. BRI or PRI) requires that a PLL card be installed in the dedicated PLL
slot on the KSU motherboard.
TEPRI
Can be configured as a T1/E1 card or PRI card. If configured as T1/E1 it provides up to 30
trunk circuits in any combination of the following:
Loop-start lines
DID (Direct Inward Dialing)
E & M tie lines or two-way DID calling
QSIG
applications, power feeding to ports is selectable by programming.
0
2-3
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