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Modem Qlink-144

Discontinued, recommended replacement is: Qlink-3000

Specifications
Documentation

Modem Qlink-144 Features:
  • Up to 8 km over single copper pair
  • V.35/RS-530/RS-232/X.21/Ethernet data interface
  • Additional RS-232 async data interface
  • Sync data rates from 16 to 144 kbit/sec
  • Async data rates from 1200 to 115200 bit/sec
  • Line protection
  • Configurable by DIP switches or via RS-232 port
  • Upgradeable firmware

The Qlink family of leased line modems provides mid-speed data access over single-pair copper wires. It can transmit data with rates up to 144 kbps (without a repeater) for up to 8 km. Using lower guage copper wire may allow you to attain greater distances.

It can be configured using DIP switches or via RS-232 control port.

The modem has one main data port. The Qlink-144X has additional asynchronous interface, which can be used for control (console), or as extra data port. The main data port supports both synchronous and asynchronous modes. The data rate is: in synchronous mode - from 16 to 144 kbps, in asynchronous mode - from 1200 to 115200 bps.

The Qlink family contains also the model with Ethernet interface.

The modem has an upgradeable firmware. The upgrading istructions are available here.

Specifications

Line Interface
Line Copper twisted pair
Loop Length Up to 8 km over 24 Avg copper wire,
up to 6 km over 26 Avg copper wire
Connector Type RJ-45 (female 8 contacts)
Line Code 2B1Q
Transmit Timing Sources INT (Internal Oscillator)
RCV (Receiver)
EXT (Digital Interface)
Overvoltage Protection TVS
Overcurrent Protection Fuse
Digital interface
Connector Type V.35, M-34 female; or
RS-232, DB-25 female; or
RS-530, DB-25 female; or
X.21, DB-15 female; or
universal, HDB-44 female
Sync data rates 144, 128, 80, 64, or 16 kbit/sec
Async data rates 115200, 57600, 38400, 19200, 9600, 4800, 2400 or 1200 bit/sec (8 or 9 bit/symbol)
Clock Options TXC, RXC, ETC
Modem Control Signals DTR, DSR, CTS, RTS, CD
Ethernet interface
Connector Type RJ-45 (female)
Data rate 144, 128, 80, 64, or 16 kbit/sec
Duplex mode Half duplex or full duplex
Filtering rate 15000 packets/sec
Address table size 10000 MAC addresses
Control interface
Connector Type RS-232, DB-9 (female)
Protocol Asynchronous, 9600 bit/sec, 8 bit/symbol, 1 stop bit, no parity
Extra features Asynchronous data port, rate 115200, 57600, 38400, 19200, 9600, 4800, 2400 or 1200 bit/sec (8 or 9 bit/symbol)
Modem Control Signals DTR, DSR, CTS, RTS, CD
Testing modes
Loopbacks Digital, local, remote
BER Tester Built-in
Control By switches on front panel or via control port RS-232

Документация

Некоторые документы хранятся в формате Adobe® Acrobat® Reader®

PDF  User's Manual for models Qlink-144/B-232 in Russian
PDF  User's Manual for models Qlink-144X/B-V in Russian
PDF  User's Manual for models Qlink-144X/B-M in Russian
PDF  User's Manual for models Qlink-144X/B-232 in Russian
PDF  User's Manual for models Qlink-144X/B-530 in Russian
PDF  User's Manual for model Qlink-115 in Russian
PDF  User's Manual for model Qlink-144/R-ETH in Russian
PDF  User's Manual for models Qlink-144/R-V, R-M, R-530, R-232, R-X21 in Russian
PDF  User's Manual for model Qlink-144/B-ETH in Russian
PDF  User's Manual for models Qlink-144X/B-ETH in Russian
PDF  User's Manual for models Qlink-144X/B-X21 in Russian
PDF Справочник по интерфейсным кабелям Cronyx.

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