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S.I. Tech Home » Mini Modems » Model 2129

Model 2129

Master/Slave Mini Modem Pair

S.I. Tech Model 2129 Master/Slave Mini Modem Pair

S.I. Tech Model 2129

Features:

  • Custom designed for IBM RS/6000 Unit connected to an IBM or Async concentrator (RS-485 to RS-232 Cluster controller-128 users)
  • Point to Point Links up to 2.5 Km
  • Link consists of one 2129 "Master" Bit-Driver and one 2129 "Slave" Bit-Driver
  • Use 7129 Master/Slave cables

Specifications

Operating Mode:Synchronous, half or full
duplex
Input/Output Interface:RS-485, DB-9F, 9 wire port operating at 1.2 Mbps
Transmission Line Interface:ST connector is standard for interfacing with fiber optic duplex cable (SMA option)
Transmission Distance:See distance chart
Optical Power into a 62.5 Micron Core Optical Fiber:10 microwatts, 13 dB power budget @ 850 nanometers
Receiver Sensitivity:500 nanowatts at less than 10-9 bit error rate, 10 microwatts max
Operating Temperature:0 °C to 50°C
Metal Enclosure:4.5 x 2.2 x 1.0 in
(11.5 x 5.7 x 2.5 cm)
Panel or DIN rail mounting option
Weight:0.28 lb (125 grams)
Input PowerExternal with power supply
(S.I. Tech #2121 - 110 VAC to 12 VDC)
230V Version:Use S.I.Tech #2164 power supply

Operating Distance for Fiber Optic Cable

S.I. Tech Model 2129 Diagram

RS-485 Connector Pins Utilized by Model 2129

S.I. Tech Model 2129 Diagram

S.I. Tech Model 2129 Diagram



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