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HomeProductsFiber Optical ModemE1 Optical Modem > HM-C112A Humanity E1 Optical Modem with 64kbps-2048kbps

Humanity E1 optical modem realizes E1 transmission over fiber with the bandwidth of 64kbps to 2048kbps. Dual power redundancy is option when in order.         

Main Feature

  •        Comply with ITU-T G.703, G.704, G.706, G.732, G.823.
  •        Default: dual fiber, single mode, 40km, 1310nm, FC.
  •        FC/SC/ST option, distance option.
  •        Various loop back configuration function, easy to open and test

Technical Parameters

E1 interface

Rate: 64kbps to 2048kbps

Line code: HDB3

Connector: both offer BNC for 75Ω and RJ45 for 120Ω

Interface impedance: 75Ω balance and 120Ω unbalance

Fiber interface

Default: dual fiber,single mode, 40km, FC, 1310nm

Dual fiber/single fiber option

Multimode/single mode option

Wavelength: 1310nm/1550nm

Connector: FC/SC/ST option

20/40/60/80/120km option

The optical module is customized

DIP switch

The 1st group is to set various features, including transparent or time slot mode, timing mode, various loop back, optical circuit test.


The 2nd group is to set time slots

Indicator lights

Power indicator: AC, DC

Optical indicator: NOP, OOF

E1 indicator: LOS, AIS

Test indicator: TEST, OK


AC, or DC, or AC and DC dual power option

Operation temperature: 0to 50

Storage temperature: -10to 70

Humidity: 5~95%, non-condensing

Application Diagram:


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Contact Us

Address: East Anningzhuang Rd.,Haidian District, Beijing, China

Tel: +86-10-62924922/62926577
Fax: +86-10-62922921                         
[email protected]



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