PDH Optical Transceiver

Product Advantage

• Multiple specifications available, flexible configuration

Supports 1/4/8/16/63 E1 access, with 1~6 Ethernet ports, to meet different scale and bandwidth requirements.

• Efficient multiplexing, saving resources

Multiple E1 and Ethernet signals are transmitted through single fiber/dual fiber multiplexing, greatly reducing wiring costs.

• Strong compatibility and flexible networking

Complies with ITU-T G.703, G.704 and other standards, supports point-to-point, link protection, cascading and other networking modes.

• High stability design

Adopts industrial-grade devices and wide temperature design, supports 7×24 hours of continuous operation, suitable for harsh environments.

• Rich management and alarm functions

Supports local management interface and remote monitoring, with complete link status and alarm indication, easy to maintain.

• Flexible power supply and easy installation

Supports AC 220V or DC -48V dual power supply, rack-mounted and desktop-type structures are optional to adapt to different occasions.

Technical Parameters

◆ Optical interface

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

• Multimode 850nm/1310nm

• Optical line coding: NRZ+scrambling/mBnB (with Ethernet)

• Transmit power: not less than -12dBm

• Optical interface: SC/FC/LC, single fiber/dual fiber optional

• Transmission distance: 0-120km

◆ E1 interface

• Interface code type: HDB3 code

• Line rate: 2.048Mbps±50ppm

• Interface standard: ITU-T G.703

• Jitter characteristics: Meet G.704 and G.823

• Interface impedance: 75Ω/120Ω optional

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

◆ Ethernet interface

• Support IEEE 802.3/802.3u/802.3ab

• Support 10/100M adaptive, 100/1000M adaptive, full-duplex, half-duplex adaptive

• Support cross-line and straight-through line adaptive

• Physical interface: RJ45

◆ Mechanical structure

• 19-inch 1U/desktop

◆ Working conditions

• Power supply voltage: 165V～265V（AC）, -36V～-72V(DC)

• Power consumption: less than 15W/30W(63E1)

• Working temperature: -10°C～+45°C

FAQ

Q1: How far does the OTS series PDH optical terminal support transmission distance?

A1: Depending on the specifications of the optical module, it supports single-mode optical fiber transmission distances from 2km, 20km, 40km to a maximum of 120km.

Q2: Can E1 and Ethernet be mixed for transmission?

A2: Yes, the device supports mixed multiplexing of E1 and Ethernet, and the specific configuration depends on the selected model.

Q3: Does it support single-fiber bidirectional transmission?

A3: Yes, optional single-fiber bidirectional (WDM) optical modules can be used to save fiber resources.

Q4: Is the device installation complicated?

A4: The device supports plug-and-play, does not require complex configuration, and provides a variety of status indicators for easy deployment and maintenance.

Q5: Does the device support ring network or backup?

A5: Some models support 1+1 link protection (hot backup) or ADM networking to improve system reliability.

Selection Guide