Product Overview

PDH optical terminal employs advanced optical line multiplexing technology to multiplex 4E1 interfaces and 1/2/4/6 Ethernet channels onto an optical line for transmission. It is widely applicable in scenarios such as interconnecting digital program-controlled switches, mobile communication base station data backhaul, and video conferencing.All interface quantities and other requirements can be customized.

Product Features

Utilizes advanced large-scale integrated circuits and integrated optical transceiver components, offering low power consumption and high reliability

Fully digital design with no adjustable components, ensuring stable and reliable operation

Wide input voltage range: -36V to -72V DC or 220V AC (165V–265V)

Dual-power models available for user convenience

Supports various optical interface configurations, including single/dual fiber, different wavelengths, and optical power options

Technical Specifications

Optical Interface

            Wavelength:Single-mode: 1310nm/1550nm/1490nm

            Multi-mode: 850nm/1310nm

            Line Coding: NRZ + scrambling / mBnB (with Ethernet)

            Transmit Power: ≥ -12dBm

            Optical Connector: SC/FC/LC, single/dual fiber optional

            Transmission Distance: 0–120km

E1 Interface

            Line Code: HDB3

            Line Rate: 2.048Mbps ±50ppm

            Interface Standard: ITU-T G.703

            Jitter Performance: Complies with G.704 and G.823

            Impedance: 75Ω/120Ω selectable

            Connector: BNC (75Ω/unbalanced), RJ45 (120Ω/balanced), DB37/M

Ethernet Interface

            Compliance: IEEE 802.3/802.3u/802.3ab

            Speed Adaptation: 10/100M auto-negotiation, 100/1000M auto-negotiation

            Duplex Mode: Full/half-duplex auto-negotiation

            Auto-MDI/MDIX: Supports straight-through and crossover cable auto-detection

            Physical Interface: RJ45

Mechanical Structure

            19-inch 1U rack-mount or desktop

Operating Conditions

            Power Supply: 165V–265V AC or -36V to -72V DC

            Power Consumption: <15W (30E1), <30W (63E1)

            Operating Temperature: -10°C to +45°C

Model Guide