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Modem QLink-3000/C-U

Discontinued, recommended replacement is: QLink-3000/M

Specifications
Typical transmittion range on 26 AWG (0.4 mm) cable
Documentation

Modem QLink-3000

Cables V.35 (M34(f) - DB25(m))
Cables V.35 (M34(f) - DB25(m))

Features:
  • Up to 10 km over single copper pair
  • Data rates from 64 to 5696 kpbs
  • Line code TC-PAM16, TC-PAM32
  • Line protection
  • ITU-T G.991.2(2004) Annex A,B,F,G
  • Three data ports: E1 (G.703), Ethernet 10/100BaseT, V.35(RS-530/X.21)
  • Five working configuration: E1, V.35, Ethernet, E1+V.35 and E1+Ethernet
  • Local management interface with LCD display
  • Console RS-232 port
  • Local and remote loopbacks
  • Integrated BER tester
  • AC or DC power
  • Certificate N OS/1-TM-317 of Russian Ministry of Communications

The QLink-3000/C-U family of short range modems provides high-speed data access over single-pair copper wires. It can transmit data with rates up to 5696 kbps for up to 10 km (at diameter of wire 0.6 mm).
The QLink-3000/C-U modem can be AC or DC powered. The device setup and all diagnostics options are configured via LCD panel or via RS-232 port or from remote device.

Specifications

Line Interface SHDSL
Line Copper twisted pair
Line Code TC-PAM16, TC-PAM32
Line Rate 192 - 5696 kbps (N*64 kbps, N=3...89)
Transmit Timing Sources Internal Oscillator, from E1 port receiver, from Data Port
Loop Length 2.4km - 6.4km (0.4mm)
Connector Type RJ-45 (female 8 contacts)
Overvoltage Protection SIDACtor
Overcurrent Protection Fuse
E1 interface
Interface According to ITU-T G.703
Line Code HDB3 or AMI
Line Impedance 120 Ohm (Twisted Pairs) или 75 Ohm
Receive Signal Attenuation Range from 0 to 43 dB (up to 2.0 km of 22 AWG twisted-pair cable)
Frame Structure per G.704 or transparent G.703 2048 kbps stream
Overvoltage Protection TVS
Overcurrent Protection Fuse
Connector Type RJ-45 (female 8 contacts)
Ethernet interface
Interface Ethernet 10/100Base-T
Data rate 64 - 5696 kbps (N*64 kbps, N=1...89)
Mode 100 Mbps Full-duplex,
100 Mbps Half-duplex,
10 Mbps Full-duplex,
10 Mbps Half-duplex или
Autonegotiation
Protocols Remote bridge
Address table size 1024
Maximum packet size 1518 bytes, including MAC header
Connector Type RJ-45 (female 8 contacts)
V.35/RS-530/X.21 interface
Interface V.35, RS-530 or X.21, cable include V.35 (M34(f) - DB25(m))
Data rate 64 - 5696 kbps (N*64 kbps, N=1...89)
Mode Synchronous, DCE
Clock Signals Supported TXC, RXC, ETC
Modem Control Signals DTR,DSR,RTS,CTS,CD
Connector Type DB25 (female)
Control interface
Connector Type RS-232 DCE, RJ-45 (female)
Protocol Asynchronous, 115200 bit/sec, 8 bit/symbol, 1 stop bit, no parity
Modem Control Signals no used
Diagnoctic modes
Loopbacks (exclude Ethernet) Digital, Local Data, Local Line, Remote Line, Remote Data
BER Tester Built-in
Control LCD panel, RS-232 port or from remote device
Physical
Box Desktop
Dimensions 198 mm x 168 mm x 46 mm
Weight 850 g
Power source
AC power source 90-240 V, 50-60 Hz
DC power source 36-72 V
Power 12.5 VA Max
Environment
Temperature 0° to +50°С
Humidity 0 to 80 %, non-condensing

Typical transmittion range on 26 AWG (0.4 mm) cable

N timeslots 3 8 16 24 32 60 89
Payload Rate (kbps) 192 512 1024 1536 2048 3840 5696
Reach 26 AWG (0.4 mm), km 6.4 5.2 4.3 4.0 3.5 2.7 2.4

Documentation

Some of the documents are in Adobe® Acrobat® Reader® format

PDF  Qlink-3000/C-U. User's Manual in English

Return to Short Range Modems or Digital Communication Equipment


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