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1-16E1 PDH Multiplexer

8E1 PDH Multiplexer

Overview
This device provides 1-8Channel E1 interface 1Channel PCM digital business phone (optional). It is very flexible. It has alarm function. The work is reliable stable and low power consumption high integration small size.
Features
◆ based on self -copyright  IC;
◆ Modular wide dynamic optical detector;
◆ 1Channel PCM digital business phone (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.
Parameters
Fiber
Multi-mode Fiber
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
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: Mini Type    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)
Application
8E1 PDH Multiplexer
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