E-link China Technology Co.,LTD
| Payment Terms | T/T,Western Union,MoneyGram,PayPal |
| Supply Ability | 1000/Month |
| Delivery Time | 1-3 working days |
| Packaging Details | HDMI Fiber Optic Accessories Standard Carton Packaging |
| Fiber Type | 50/125um, 62.5/125um |
| Transmitting power | -12dBm (Min) ~-9dBm (Max) |
| Maximum transmission distance | 40Km |
| Link budget | 18dBm |
| Interface Code | HDB3 |
| Power supply | AC180V ~ 260V；DC –48V；DC +24V |
| Brand Name | E-link |
| Model Number | LNK-PDH-E8 Series |
| Certification | ISO9001, CE, ROHS, FCC |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T,Western Union,MoneyGram,PayPal | Supply Ability | 1000/Month |
| Delivery Time | 1-3 working days | Packaging Details | HDMI Fiber Optic Accessories Standard Carton Packaging |
| Fiber Type | 50/125um, 62.5/125um | Transmitting power | -12dBm (Min) ~-9dBm (Max) |
| Maximum transmission distance | 40Km | Link budget | 18dBm |
| Interface Code | HDB3 | Power supply | AC180V ~ 260V；DC –48V；DC +24V |
| Brand Name | E-link | Model Number | LNK-PDH-E8 Series |
| Certification | ISO9001, CE, ROHS, FCC | Place of Origin | China |
| High Light | 8E1 PDH Fiber Multiplexer ，Dual Optical Port PDH Fiber Multiplexer ，120km PDH Fiber Multiplexer | ||
Model : LNK-PDH-E8 Series
Product Description & Overview
This advanced PDH fiber optic multiplexer delivers a comprehensive telecommunications solution by
integrating eight E1 interfaces with optional PCM digital hotline phone capability in a compact, energy-
efficient design. Engineered for reliable operation in demanding network environments, this professional-
grade multiplexer efficiently transmits multiple E1 channels over fiber optic infrastructure while maintaining
complete signal integrity and synchronization. The integrated PCM digital hotline provides clear voice
communication for operational and maintenance purposes, making it ideal for sites requiring both data
and voice connectivity.
Featuring comprehensive alarm monitoring and fault detection capabilities, this robust multiplexer enables
real-time network management and rapid troubleshooting. The compact design incorporates high-density
integration and advanced power management technology, achieving remarkable energy efficiency without
compromising performance. With its minimal footprint and industrial-grade construction, this solution is perfect
for space-constrained installations in telecommunications cabinets, mobile base stations, and enterprise
network environments where reliability and space optimization are critical.
The device supports flexible configuration options and seamless integration with existing network equipment,
making it particularly suitable for last-mile connectivity, wireless backhaul applications, and enterprise network
expansion projects. Enhanced error correction mechanisms and quality of service features guarantee uninterrupted
operation in demanding conditions, while the extended temperature range capability ensures reliability in various
environmental conditions. This professional-grade multiplexer establishes new standards for cost-effective E1
transmission in telecommunications, transportation, and industrial communication networks requiring reliable
multi-channel connectivity over fiber optic infrastructure.
Key Features Bullets
Proprietary Core Technology
Self-developed IC with modular wide dynamic optical detection
High-Density E1 Capacity
8 E1 interfaces with G.703 compliance and clock recovery
Optional Voice Communication
Integrated PCM digital business phone capability
Carrier-Grade Protection
Dual optical port backup with automatic switchover
Intelligent Network Management
Remote loopback control and real-time status monitoring
Extended Optical Transmission
2-120km reach with optical power monitoring
Comprehensive Alarm System
Fiber break detection with visual LED indication
Universal Power Supply
Multi-voltage input with polarity-free protection
Technical Specifications & Indexes
| Parameter | Specification |
| Fiber | |
| Multi-mode Fiber | |
| Fiber Type | 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 | |
| Fiber Type | 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 | n*64Kbps±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 |
| Power | |
| Power supply | AC180V ~ 260V；DC –48V；DC +24V |
| Power consumption | ≤10W |
| Dimension | |
| Product size | 19’’ 1U |
| 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) |
Application Scenarios
Supporting cellular base station E1 backhaul connectivity
Enabling enterprise multi-point network interconnection
Facilitating transportation signal control communications
Providing financial network backup transmission links
Supporting emergency communication system deployments
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
2001
Total Annual:
>10000000
Employee Number:
21~200
Ecer Certification：
Verified Supplier
Established in 2001 & headquartered in Shenzhen, E-link China Technology Co., Ltd. (E-link) is a leading manufacturer of fiber optic communication and video transmission products in China. Our main products include: Fiber Media Converters Industrial Ethernet PoE switchs P... Established in 2001 & headquartered in Shenzhen, E-link China Technology Co., Ltd. (E-link) is a leading manufacturer of fiber optic communication and video transmission products in China. Our main products include: Fiber Media Converters Industrial Ethernet PoE switchs P...
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