videosurveillance systems

Jiading District, Shanghai, China.  Bo Yuan Rd., No1333, Room1618  (Post code 201800)
Tel: 021-60192179, FAX : 021-60192180
Hotline: 4000 2131 33
Modem (EN)

We would be pleased to work with you in a close cooperation

and adapt the manufacturing articles to the market needs.


Feature: Поддержка режимов мультиплексирование и E1 over IP
Application 1: Для организации каналов E1

Module MR-17G1 is designed to be installed on the universal multipurpose SG-17R platform as E1 channel-forming equipment.

Technical characteristics

  • E1 interface parameters
    • Number of ports: 1 RJ-45 Balanced 
    • Number of wires per line: 4 (2 pairs) 
    • Linear code  (ITU-T G.703): HDB3, AMI 
    • Data transfer rate: Nx64 Kbit/sec, N=1:32, for each Е1 interface (64:2048 Kbit/sec with the pace 64 Kbit/sec) 
    • Communication line length via E1, km: 2,4 (for 0.5 mm cable), 1.6 (for 0.4mm cable) 
    • Cyclic structure (framing): G.704 
    • Supercycle (superframe): CRC4, CAS 
    • Switching off the cycle structure (unframed mode): available 
    • Connector type: RJ-45 (socket)
  • System interface parameters
    •  Electric butting type: PCI
    • Bus-Master mode: available (for routing mode)
  • Operating modes
    • Data multiplexing  - TDM: available (for all E1 channels)
    • Data routing: available (for all E1 channels)
    • Max number of modules installed  on  SG-17R-1RU-CP1-4ETH base platform in routing mode: 3
    • Max number of the modules installed on SG-17R-1RU-CP2-3SFP base platform in routing mode – TDM:  4
    • Max number of the modules installed on SG-17R* base platform in multiplexing mode – TDM: 4
  • Other characteristics
    • Module  size (with the lath):
      • height, mm: 20
      • width, mm: 164
      • depth, mm: 125
    • Weight, g: 100
    • Power consumption, W: 0,92
  • Service conditions 
    • Installed on SG-17R base platform
    • Air temperature: 10 – 40°С
    • Relative humidity:  up to 85% 
    • Air pressure: 84 – 107 kPa


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Support long range serial POE devices via "PoE Through Technology" up to: 4 x POE Ethernet10/100M self-adaptive, each port with standard 4 wire PoE power + max 60W; 2 x 10/100/1000BASE-T/SFP fiber ports,transceive IP packet data upto 80Km; 2 x 10/100/1000BASE RJ45 Ethernet port; 1 x RS232. Total power: 220VAC / 240W.

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