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Two independent DC-isolated 4-wire VF channel interfaces;
Extended operating temperature range from - 40ºC to +65ºC;
TLP transmit input and receive output range that is adjustable in 0.1 dBm increments;
Support for equalizer prescription settings as defined in AT&T 855-351-105 (309B);
Support for 150, 600 and 1200 ohms input/output termination impedance;
Support for loaded and nonloaded cable types;
Supports Sealing Current Modes: None, Sink, or Source;
Provisioning can be done via the ADMIN port on the SCU, or remotely via Telnet or SNMP;
Digital Loopback and 1004 Hz Digital Reference;
Signal (DRS) Tone Tests.