Chapter1. Introduction
1-2 Octal FXS Voice Module User Manual 61175408L1
Functional Description
The Quad FXS Voice Module installs in any available option slot in the TA
850 chassis. You can view the status of the module itself, as well as the
circuitsto which it interfaces, from the TA 850front panel. Additional status
information is available via the terminal menus, accessible through either a
VT-100terminal connected to the TA850 control po rt or via a Telnet session
established through the Base Unit’s Ethernet port.
Features
Featuresof the Quad FXS Voice Module are listed here:
•Fourvoiceports
• Automatic short loop provisioning
•µ-law encodingand decoding
• Supportfor ground start, loop start, and TR-08 signaling
• Longloop capability -- 1200 ohms including telephone set (16 kfeet @ 24
AWG)
• Hot-swappable
•V.90Modemcompliant
• Supportfor CLASS features such a s Caller ID
• Transmit attenuation setting of 0 to -9 dB
• Receive attenuation setting of 0 to -9 dB
•Selectable600 ohm, 900 ohm, 600 ohm+ 2.16µF, or 900 ohm + 2.16µF
2-wire VF interface
• NEBSLevel 3 and UL 1950 compliant
• Extendedtemperature range of -40 to +65 °C