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E1 Fiber Modem

Model RFM-E1

E1  Interface

 

Physical/Electrical

120 Ohms(balance) /75 ohms(unbalance) network interface

Connectors

RJ45 & BNC

Standards

ITU-T G.703

Modes

Transparent

Coding

HDB3

Clock Options

Internal Clock/ Recovered Clock(optical)/ Recovered Clock(G.703)
Clock Rate
2.048Mbps±50ppm
Optical Interface  
Fiber Single/Dual fiber, Single mode and multimode
Clock Rate 4.096Mbps±50ppm
Wavelength 1310nm/1550nm
Transmit power –2~-11dBm
Receive sensitivity Up-to –36dBm
Fiber Connector SC/ST/FC
Transmission distance 2Km/40Km/60Km/120Km
Power Supply  
AC power 220VAC (Nominal) range 160V to 260V,50-60Hz
DC power –48VDC (Nominal) range -36V~-60V
Power consumption <5Watt
Environment  
Temperature 00C to 500c
Humidity 5-95% (non-condensing)
LED indicators Power, SD (optical), OOF, LOS (E1) AIS, LOOP, Test
Management RS-232 interface (Hyper Terminal)
Diagnostics Local and remote loop-backs
 


Ordering Information

RFM-E1-XX:E1 Fiber Modem

XX=00 for 220VAC power option
XX=01 for 48VDC power option

*RealTime Systems Ltd reserves the right to change the specifications without prior notice.