►E1 interface comply with G.703
►The local device can view the remote device working condition
►Provide command the remote interface Loop Back, ease line maintenance
►The transmission distance is up to 2-120Km without interruption
►E1 interface comply with G.703
►The local device can view the remote device working condition
►Provide command the remote interface Loop Back, ease line maintenance
►The transmission distance is up to 2-120Km without interruption
Overview
This device provides 1-4 Channel E1 interface, 1 Channel PCM digital hotline phone (optional). It is very flexible. It has alarm function. The work is reliable, stable, and low power consumption, high integration, and small size
Features
►Based on self-copyright IC
►Modular wide dynamic optical detector
►1 Channel PCM digital business phone (optional)
►The device provides master optical fiber interface and backup optical fiber interface, Dual Optical Port backup function ensures that the work will never break (optional)
►E1 interface comply with G.703, adopts digital clock recovery and smooth phase-lock technology
►When optical lose signal, it can detect the remote device is power off or fiber is disconnected, and indicates alarm by LED
►The local device can view the remote device working condition
►Provide command the remote interface Loop Back, ease line maintenance
►The transmission distance is up to 2-120Km without interruption
►AC 220V, DC-48V, DC24V can be optional
►DC-48V/DC24V power supply polarity detection function, Polarity-Free
Application
Technical 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 | 216X140X31mm(WXDXH) |
Simple packaging | 274X193X84mm(WXDXH) |
Piece weight | 1.25KG |
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) |
Model | Description |
WXA-PDH-E4D | PDH Multiplexer, 1 Fiber port, 4E1 (75ohm or 120ohm), Single Mode, Single Fiber, 20KM, FC, Desktype, DC-48V or AC220V (Single Power Supply) |