Fxo interface cards, The dual fxo interface card (top) -15, The quad fxo interface card (bottom) -15 – Comtech EF Data SDM-9220 User Manual
Page 93
Product Description
Memotec Inc.
5-15
FXO Interface Cards
Ordering part numbers:
•
161-1051-000
for the dual FXO interface card
•
161-1052-000
for the quad FXO interface card
The FXO interface card is a Telco/PTT interface that acts like a standard telephone set (a
two-wire telephone in a loop start circuit). This interface card:
•
Provides a Subscriber Line connection to a Central Office or the station side of an
analog PBX
•
Detects ring voltage, closes the loop during off-hook, and opens the loop in an
on-hook condition
•
Generates pulse dial or DTMF tones
•
Dual port interface with 2 RJ-11 female connectors for the dual FXO interface
card
•
Quad port interface with 4 RJ-11 female connectors for the quad FXO interface
card
•
Equipped with an onboard DSP processor.
•
Up to 2 FXO interface cards can be installed in the SDM-9220, or 3 in the SDM-
9230, providing up to 12 analog FXO voice ports in a single unit.
Figure 5-7: The Dual FXO interface card (top)
Figure 5-8: The Quad FXO interface card (bottom)