8E1 fiber optical MUX is point-to-point optical transmission equipment developed based on ultra large scale integrated circuit. Have perfect alarm function, data office telephone optional, full data electrocircuit, high reliability and stabilization, low power consumption, high integration, small bulk, easy installation and maintenance. The device is popularly with telecommunication operator. It is suitable in business for communication operator, government and kinds of entities.
(1) High integrate design, work stabile, very low failure rate.
(2)E1 port use digital clock resume circuit and digital phase-lock circuit.
3) Voltage can select -48V/+24V/110V/220V, provide over-voltage and over-current protection, have high electromagnetism shield capability. （optional function）
(4) Jitter tolerance much better than GB.
(5)Monitor remote equipment through fiber inter-band channel, display remote status on panel LED.
(6)Provide function of 8 E1 remote loops, and 1 interface of phone（optional function）.
(7)Network manager interface use SNMP or RS485.（optional function）
(8)Two types: Standalone, desktop, 19inch; Card, usually be inserted in our rack 19 inch.
(9) Support RJ11 hotline function. （optional function）
optical wavelength: 850/1310nm for multi-mode fiber, 1310/1550nm for single-mode fiber.
optical interface: SC/FC
transceiver module: > -6dBm
optical receiver sensitivity: <-36(BER<10)
receive range: >-30dB
transmission distance: multi-mode 2 Km, single-mode 40 Km, single-mode 80Km,single-mode 120 Km.
Jitter tolerance : according with G.742 and G.823.
Interface Rate: 2.048Mbps+-50ppm
Interface standard: ITU-T G.703
interface Impedance: 75Ω (unbalance) and 120Ω (balance).
Interface character: support rack (19 inch, 6u high) up to 24 directions.
485 mm（L）×140 mm（W）× 44 mm（H）
AC220V: input voltage AC 180V～260V
DC-48V: input voltage -36V～-72V
Voltage: AC180V ~ 260V; DC –48V; DC +24V
Operating temperature: 0°C~50°C
Storing temperature: -40°C~+70°C
Relative humidity: 95 %
Without disturbance of erosive and solvent gas, raising dust or strong magnetic field