PDH

8 E1 PDH Fiber Multiplexer HY-PDH08 (19 Inch 1U Type)

Overview

This device provides 1-8Channel E1 interface, Standard 2 wire telephoneasengineeringorder-wire (optional). It is very flexible. It has alarm function. The work is reliable, stable, and low power consumption, high integration, small size.

Features

  • Based on self -copyright IC
  • Modular wide dynamic optical detector
  • Uses standard 2 wire telephone (non-telephone handles) set as engineeringorder-wirehotline(optional)
  • E1 interface comply with G.703, adopts digital clock recovery and smooth phase-lock technology
  • Provide Console manage interface (RS232)
  • When optical signallost, it can detect the remote device is power off or fiber is disconnected, and indicates alarm by LED
  • The local device can view the remote device working condition
  • Provide command the remote interface Loop Back, ease line maintenance
  • The transmission distance is up to 2-120Km without interruption
  • AC 220V, DC-48V, DC+24V can be optional
  • DC-48V/DC+24V power supply with automatic polarity detection function, when installed without distinction between positive and negative

Parameters

  • Fiber

Multi-mode Fiber

50/125um, 62.5/125um,

Maximum transmission distance:                5Km @ 62.5 / 125um single mode fiber,attenuation (3dbm/km)

Wave Length:                                                820nm

Transmitting power:                              -12dBm (Min) ~-9dBm (Max)

Receiver sensitivity:                               -28dBm (Min)

Link budget:                                           16dBm

Single-mode Fiber

8/125um, 9/125um

Maximum transmission distance:         40Km

Transmission distance:                                  40Km @ 9 / 125um single mode fiber, attenuation (0.35dbm/km)

Wave Length:                                                1310nm

Transmitting power:                              -9dBm (Min) ~-8dBm (Max)

Receiver sensitivity:                               -27dBm (Min)

Link budget:                                           18dBm

  • E1 Interface

Interface Standard:         comply with protocol G.703;
Interface Rate:                 2048Kbps±50ppm;
Interface Code:                HDB3;

E1 Impedance:                 75Ω (unbalance), 120Ω (balance);

Jitter tolerance:               In accord with protocol G.742 and G.823

Allowed Attenuation:       0~6dBm

  • Working environment

Working temperature:             -10°C ~ 50°C

Working Humidity:                   5%~95 % (no condensation)

Storage temperature:                     -40°C ~ 80°C

Storage Humidity:                           5%~95 % (no condensation)

Specifications

Model Model Number: HY-PDH08
Functional Description 8E1 PDH,order wire phone, 19inch1UType,(Standard telephone interface, non-telephone handles)
Port Description One optical port,8 E1 interface (75/120 ohms),oneConsoleinferface
Power Power supply: AC180V ~ 260V;DC –48V;DC +24V

Power consumption: ≤10W

Dimension Product Size: 19 inch 1U   483X138X44mm(WXDXH)
Weight 2.3KG/PCS