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Modem Qlink-115

Discontinued, recommended replacement is: Qlink-3000

Specifications
Documentation

Modem QLink-115 Features:
  • Up to 8 km over single copper pair
  • Async RS-232 data interface
  • Data rates from 1200 to 115200 bit/sec
  • Line protection
  • Configurable by DIP switches
  • 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 115.2 kbps (without a repeater) for up to 8 km. Using lower guage copper wire may allow you to attain greater distances.

The QLink-115 model has one asyncronous data port with RS-232 interface. The modem supports data rates from 1200 to 115200 bps. Configuration is performed using DIP switches.

The QLink family contains also models with synchronous interfaces, 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)
Overvoltage Protection TVS
Overcurrent Protection Fuse
Digital interface
Connector Type RS-232, DB-25 female
Data rates 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

Документация

Некоторые документы хранятся в формате Adobe® Acrobat® Reader®

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

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