8E1 +1 Fiber PDH Multiplexer
Advantages
· 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
Overview
This device provides 1-8Channel E1 interface, 1Channel 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.
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 | 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
