Description
Loop Telecom’s QFXO plug-in card is designed for the Loop-AM3440-D and Loop-V4200 9-port and 28-port. It allows voice frequency interfaces to be multiplexed as a 64 Kbps DS0 signal onto a digital network. The QFXO provides connections from four telephone lines, either from a central office or from a PBX.
Coding is either A-law or mu-law selectable by a user. Most popular signaling conventions are supported, including PLAR.
- 4 central office or PBX line connections for QFXO
- Loop start or ground start
- 12KHz or 16KHz metering pulse (pulse mode resistor selectable)
- ANSI or ETSI resistor selectable
- A, B, C, and D Bit resistor programmable
- A-law or mu-law coding
- Most signaling conventions supported
- Multi-color LED indicators for each card
- Battery reverse supported
- DID supported
- Intended for use with 110 to 220 Vac or -48 Vdc powered main units
