User's Manual

Table Of Contents
About the terminal | 28
Interface card types
Each terminal has eight interface slots labeled A to H. Each slot can be fitted with any interface card
type. Typically, the terminal is delivered pre-configured with the requested interface cards.
The following interface card types are currently available:
Name Interface card type Function
QJET Quad E1/T1 interface card Four E1 / T1 interfaces (Framed or Unframed).
Q4EM Quad 4 wire E&M interface card Four 4 wire E&M voice channels
DFXS Dual 2 wire FXS interface card Two 2 wire loop signalling foreign exchange
subscriber (POTS) channels
DFXO Dual 2 wire FXO interface card Two 2 wire loop signalling foreign exchange office
channels
HSS High-Speed Synchronous
interface card
A single high speed serial data channel configured
as synchronous V.24, V.35, X.21, V.36 / RS 449,
or EIA/TIA 530.
QV24 Quad V.24 serial asynchronous
interface card
Four asynchronous V.24/RS232 data channels.