Product characteristics:
High integrate design, work stabile, very low failure rate.
E1 port use digital clock resume circuit and digital phase-lock circuit.
Voltage can select -48V/+24V/110V/220V, provide over-voltage and over-current protection, have high electromagnetism shield capability.
Jitter tolerance much better than GB.
Monitor remote equipment through fiber inter-band channel, display remote status on panel LED.
Provide function of 16 E1 remote loop, and 1 interface of phone.
Network manager interface use SNMP.
Two types: Standalone, desktop, 19inch; Card, usually be inserted in 19 inch rack.
Optical interface parameters:
Optical wavelength 850,1310, 1550nm (optional).
Optical interface SC, FC, ST (optional).
Transceiver module > -6dBm.
Optical receiver sensitivity <-36(BER<10).
Receive range >-30dB.
Transmission coding 4B5B.
Transmission distance multi-mode 2 Km, single-mode 40 Km, single-mode 80 Km, single-mode 120 Km.
E1 interface parameters:
Coding HDB3.
Interface Rate 2.048Mbps+-50ppm.
Interface standard ITU-T G.703.
nterface Impedance 75¦ё (unbalance) and 120¦ё (balance).
Interface character support rack (19 inch, 6u high) up to 24 directions.
Interface BNC, RJ45.
Jitter tolerance according with G.742 and G.823.
Product specification (variants):
1. FMO-480-19" RACK: 16E1 PDH 480 TELEPHONE 19" 48V or AC220V.
2. FMO-480S-19" RACK: 16E1 PDH 480 TELEPHONE 19" HOTLINE OPTIONAL NETWORK MANAGEMENT 48V or AC220V
Typical application:
Product figure:
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