Last Mile (Local Loop)

FE1 Fiber Optic Modem
otx030

The core part of FE1 Fiber modem is ASIC chip. The chip adopts reducing jitter unique patented technology, digital lock and clock extraction techniques, the 2M interface anti-interference technology, etc. so that the modem is particularly suitable for situations requiring high reliability and fully assistant functions, such as Mobile, China Unicom, telecommunications, electric power, public security, military, highway, aviation, and other special communication network. Structures of hardware and software inside the device are modular. Hardware uses a large-scale AISIC chips integrating encoding, decoding, information insertion and alarm, which simplifies the circuit. Thereby the reliability of the machine is improved.

Typical Application

          Last Mile (Local Loop)

Features

> E1 channel input jitter tolerance and jitter transfer have a very good performance, far superior to standards in the industry
> E1 port adopts digital clock recovery circuit and digital smoothing PLL circuit
> E1 lines for the CRC / CRC multi-frame model is self-adaptive and has a CRC alarm indicator
> Line rate N × 64kbps (N = 1 ~ 32), adjustable
> Four clocking modes to select
> Simple circuit design, stable equipment operation, low failure rate



Technical specification

G.703 Interface:
> Standards:ITU-T G.703 ,G.704
> Frame: Framed/Unframed
> Impedance: 75ΩBNC or
                      120ΩRJ-45
> Coding: HDB3

Fiber Interface:
> Wavelength :1310/1550nm
> Fiber interface:SC
> Range:
             single mode:20km~120km
             multi-mode: 2km
Others:
> Operating temperature: 0 ° C ~ 50 ° C
>Storage temperature: -40 ° C ~ +70 ° C
> Relative humidity: 5% ~ 95% non-condensing
>Weight: 0.4Kg
>220VAC 5W
>110VAC optional
> Dimension: 197mm(W)x44mm(H)x230mm(L)
> Operation temperature : 0-50 °C
> Relative humidity: 5%-95% (non- condensing) >Weight: 0.4Kg > Dimension: 212mm × 150mm × 38mm