Ø Remote monitoring of the remote device by the local device (unique double-row indicator, upper-row indication and lower-row indication) Integrated circuit based on independent intellectual property;

Ø Ethernet interface 10M/100M, full / half duplex fully adaptive, support VLAN protocol;

Ø Provide two kinds of clock: main clock, line clock;

Ø Provides three kinds of loopback function: The local end of the optical loop, Ethernet local loop, so that the opposite end of the Ethernet ring;

Ø You can set the auto-rate setting of the remote device commanded by the local device;

Ø Pseudo-random code test function, easy to open circuit that can be used as a bit error meter;

Ø Ethernet can support N * 64k rate, the rate is adjustable from 64K-1984K;

Ø Ethernet monitoring automatic reset function, will not crash;

Ø Rich Ethernet data prompt function, real-time prompt data communication status;

Ø Provide 1-4 voice access to support for caller ID and reverse billing functions;

Ø Support each site put the number function;

Ø Voice port supports FXO port and FXS port , FXO port and program-controlled switch docking, FXS port and the user's phone connected;

4-Channel Telephone Multiplexer.doc