This device provides 1-4* E1 interface , Standard 2 wire telephone as engineering order-wire (optional). It is very flexible. It has alarm function. The work is reliable, stable, and low power consumption, high integration, small size.

The device  provides 1-4*E1 interface, 1-4*10/100/1000M Ethernet interface (Wire Speed 1000M) and 2 expansion interfaces.

This device is modular structure point-to-point optical transmission equipment with LCD display, uses the FPGA chips and easy to upgrade.

This device has the console control, provides the 1+1 fiber back-up protection ,point to point optical transmission, LCD display , on the basic of our company development of the PDH optical transmission, use the special VLSI and the SNMP NMS.

This device is modular structure point-to-point optical transmission equipment with LCD display, uses the FPGA chips and easy to upgrade.

This device provides 1-16 Channel E1 interface, Standard 2 wire telephone as engineering order-wire (optional). It is very flexible. It has alarm function. The work is reliable, stable, and low power consumption, high integration, small size.

This device provides 1-8 Channel E1 interface, Standard 2 wire telephone as engineering order-wire (optional). It is very flexible. It has alarm function. The work is reliable, stable, and low power consumption, high integration, small size.

This device provides 1-4* E1 interface , Standard 2 wire telephone as engineering order-wire (optional). It is very flexible. It has alarm function. The work is reliable, stable, and low power consumption, high integration, small size.

This device provides 1-4* E1 interface , Standard 2 wire telephone as engineering order-wire (optional). It is very flexible. It has alarm function. The work is reliable, stable, and low power consumption, high integration, small size.

The series equipment is in PDH optical fiber transmission, the company developed, based on the special large scale integrated circuit, point to point optical transmission equipment research and development.

This series of equipment is the company developed the PDH fiber transmission dedicated VLSI developed on the basis of point to point optical transmission equipment.