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E1 (G.703) Fiber Optic Modem

Product Overview

Orion Telecom Networks Inc. offers its E1 (G.703) Fiber Optic Modem (FOM) provides the user the capability to establish communication between two E1/FE! interfaces over an optical fiber link.

It establishes a secure, long range data fiber link between routers, multiplexers and other E1 devices.

The primary application for the E1 (G.703) Fiber Optic Modem is to establish point-to-point fiber link at ranges longer than any copper modem can achieve. The clock options are Internal/External/Slave Clock - three clock mode option.

Front View

Back View

Application Diagram

Technical Specifications

Electrical Interface (E1 Tributary)

Number 1
Nominal bit rate 2048Kbps
Bit rate tolerance 50ppm
Termination Impedance 120 Ohms balanced / 75 Ohms un-balanced
Line code HDB3
Frame structure As per G.704
Electrical Interface As per G.703
Return Loss at input port:

51.2 KHz to 102.4 KHz


> 12dB

102.4 KHz to 2048 KHz > 18dB
2048 KHz to 3072 KHz > 14dB
Electrical Interface 0.05UI
Maximum Input Jitter
20Hz to 93 Hz 1.5UI
700Hz to 100KHz 0.2UI
E1 Connectors RJ-45/BNC
Permissible Attenuation 6 dB (max) @ 1024KHz


Others Links

Technical specifications are subject to change without notice.
All brand names and trademarks are the property of their respective owners.



E1 (G.703) Fiber Optic Modem - Data Sheet and User Manual (PDF)
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::   Application Diagram  ::

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