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| Categories | Fiber Optic Accessories |
|---|---|
| Brand Name: | E-link |
| Model Number: | LNK-PDH-E4G4-2SFP Series |
| Certification: | ISO9001, CE, ROHS, FCC |
| Place of Origin: | China |
| MOQ: | 1pcs |
| Price: | $150-$200 |
| 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 |
| Receiver sensitivity: | -28dBm (Min) |
| Maximum transmission distance: | 40Km |
| Transmitting power: | -9dBm (Min) ~-8dBm (Max) |
| Interface Rate: | n*64Kbps±50ppm |
| Power supply: | AC180V ~ 260V；DC –48V；DC +24V |
| Company Info. |
| E-link China Technology Co.,LTD |
| Verified Supplier |
| View Contact Details |
| Product List |
Model : LNK-PDH-E4G4-2SFP Series
Product Description & Overview
Featuring four fully switched Gigabit Ethernet interfaces with comprehensive VLAN support and traffic
management capabilities, this robust multiplexer enables sophisticated network segmentation and bandwidth
allocation. The dual expansion interfaces provide exceptional flexibility for RS232/RS485/RS422 asynchronous
data, voice channels, E&M audio signals, switch controls, and additional Ethernet connectivity with dedicated 2M
bandwidth allocation per channel. Advanced performance monitoring and fault detection systems deliver real-time
visibility into network operations across all service interfaces.
The compact design incorporates high-density integration and advanced power management technology, achieving
exceptional energy efficiency in a space-optimized footprint. With hot-swappable module support and extended
environmental tolerance, this solution is ideal for 5G mobile backhaul, enterprise network convergence, and mission
-critical industrial communications. Enhanced synchronization features and comprehensive alarm reporting guarantee
reliable operation in the most demanding network environments, establishing this PDH multiplexer as the premier
choice for modern multi-service transport applications requiring robust E1 and Gigabit Ethernet transmission over
protected fiber optic infrastructure.
Key Features Bullets
Proprietary Core Technology
Self-developed IC with modular wide dynamic optical detection
Carrier-Grade Protection
1+1 dual fiber redundancy with automatic protection switching
Gigabit Ethernet Capacity
4-port 10/100/1000M switch with VLAN and logical isolation
Standards-Compliant E1 Interface
G.703 compliance with digital clock recovery technology
Flexible Service Expansion
Dual expansion slots for data/voice/switch signals
Intelligent Network Management
Remote loopback control and real-time status monitoring
Extended Optical Transmission
2-120km reach with optical power monitoring
Universal Power Supply
Multi-voltage input with polarity-free protection
Comprehensive Alarm System
Fiber break detection with visual LED indication
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 |
Ethernet Interface (10/100M) | |
Interface rate | 10/100/1000Mbps, half/full duplex auto-negotiation |
Interface Standard | Compatible with IEEE 802.3, IEEE 802.1Q (VLAN) |
MAC Address Capability | 4096 |
Connector | RJ45, support Auto-MDIX |
Power | |
Power supply | AC180V ~ 260V；DC –48V；DC +24V |
Power consumption | ≤10W |
Dimension | |
Product size | 19 inch 1U 485X138X44mm(WXDXH) |
Simple packaging | 522X198X82mm(WXDXH) |
Piece weight | 3KG |
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 5G mobile backhaul network connectivity solutions
Enabling enterprise multi-service network convergence systems
Facilitating industrial automation control system communications
Providing smart grid communication infrastructure solutions
Supporting mission-critical emergency communication networks
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