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  PCM30 PDH Interface Converters Power
Distribution
SCADA_RTU

OM4E1

           

technique
parameters

  Fiber Optic Multiplexer+PCM SDH Distribution
Frame
Transmission Power Antenna
                         

 






Optical
interface









E1 interface








LAN interface









Environmental        requirements






 


Mechanic parameters

 

 

l
     Optical interface

Code rate: 150Mbit/s

Fiber mode:9/125um single mode as per
ITU-T/G.625 recommendation

    Wavelength: 1310nm (1550nm optional)         
Transmit power: ≥-3dBm
-15dBm
Receive sensitivity: -38dBm
-44dBm
Receive dynamic range: Full dynamic range -3dBm
-44dBm
Permissible line attenuation: 30dB (60KM)
Physical connector: FC/PC (SC/PC optional)
Port quantity: 2 or 1
Fiber core quantity at each port: 2 or 1 (either double-core or
single-core fiber supported)


l   
2  E1  interface
 

Code pattern: HDB3 
Data rate2.048Mbit/s
Permissible rata deviation
di±5×10-5

Input/output impedance at E1 port: 75Ω unbalance/120Ω balance
Signal amplitude: 2.37V±10%
75Ω/3V±10%120Ω     
Permissible line attenuation: ≤6dB/1MHz}
2Mb/s port quantity: 4
Physical connector: BNC75Ω

l    
3  LAN interface

Specification: complying IEEE802.3 standard
Bandwidth: 100Mbps
Applicable Ethernet rate: 10BASE_T and 100BASE_T 
auto adaptation
Work mode: half-duplex/full-duplex auto adaptation
Physical connector: RJ45
Applicable cable: CAT3/5
Data-link equipment: network adapter (DTE) or
HUB/Ethernet exchanger (MPR) auto adaptation



l  5  Power feeding

Feeding type: DC-48V
Feeding: AC and DC feeding synchronously, or either of them
Power consumption: <15W
DC feeding voltage input: -48V DC (-36V~-72V)
-48V power feed current: <0.4A

Input loop fuse: restorable
         Physical connector: circular close aviation
          plug socket connector
         Input loop fuse type: restorable
        

 

  l Environment specifications

    Ambient temperature0+55
       Relative humidity: 0%90%30
    


  l     8    Mechanical parameters

Dimension: 19 inches wide, fitting standard 19'rack, 1U high, of desktop type
88mm (H)
×483mm (W)×250mm (D)
Full weight: <15Kg