4E1, 8E1, 16E1 PDH Fiber Optic Multiplexer

Product Description

E1, 8E1, *6E1 PDH Fiber Optic Multiplexer

Product Description

SPC***0 series optical transmission equipment is a series of multi-path optical and electrical transmission equipment manufactured by Beijing Spacecom Co., Ltd. with the ultra-large scale integrated circuit as its core. It supports multiple E1 interfaces, very suitable for small-capacity switch networking, user loop line network, mobile communications (base station), private network, DDN, etc. The advanced dual-light-beam switching and restoration mechanism enables the series to achieve 1*1 service protection

Product features 

• Use ultra large-scale IC chip, low power consumption and high reliability
• Use dual-light-beam 1*1 protection/restoration mechanism, high system stability
• Providing 4~*6 E1 digital interfaces, *5Ω~**0Ωimpedance options;
• Providing an order line interface
• Providing a RS**2 asynchronous data interface
• Providing a management interface for centralized monitoring and supporting system upgrading BERT inside
• Providing one or four ports of V.*5 interface (N**4K, support all the V.*5 clock mode)
• E1 and V.*5 route across;
• Support for **8VDC or **0VAC power supply
• Compact or standard 1U rack design, small, light, stable, reliable, and easy for installation

Optical interface features  

• Transmission optical power: *3dBm~*8dBm
• Receiving sensitivity: **3dBm~- *0dBm
• Fiber interface: dual SC/dual FC/single SC
• Applicable fiber: single-mode, multi-mode

Ethernet interface features

• Interface: *0/**0Base-Tx, support auto-negotiation
• Interface specification: compliance with IEEE***2.3u
• Connector: RJ*5

Electric features of V.*5 interface 

• Interface rate: n×*4K, no traffic control, transparent transmission
• Connector: DB*5 slot
• Working mode: DCE and DTE optional 

Electric Features Of  E1 Interface 

• Nominal rate: ***8Kbps,margin±*0ppm
• Interface code type: HDB3
• Interface impedance: *5Ω (unbalanced) Or **0Ω (balanced)
• Electric features of digital interface: compliant with ITU-T G.**3 recommendations
• Jitter transfer performance: compliant with ITU-T G.**3 recommendations
• Input Jitter tolerance: compliant with ITU-T G.**3 recommendations
• Output jitter: compliant with ITU-TG.**3 recommendations
• Level: ±2.*7V±*0% or ±3.*0V±*0%
• Interface connector: RJ*5 or BNC coaxial