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RS232-422 adapter for data cable extension

RS232-422 adapter for data cable extension
Extends up to 1.2 km maximum cable length for data communications between terminal equipment (PC) and Globalstar User Terminal (UT), 9.6 Kbit/s transmission rate in radio channel.

Principle of operation:
  • 2 duplex industry RS232/RS422 converters are used on the transmission and receiving ports. The RS422 outputs of the converters are connected by the multi wire line.
  • One converter is connected to the PC by means of dedicated short cable with RS232 interface and 25 to 9 pin adapter (supplied by GlobalTel).
  • Maximum data rate between UT and PC: 38.4 Кbi/s
  • Maximum length of the transmission line: up to 1.2 km
  • Type of transmission line: symmetric, RS422
  • Number of connection lines: 5 (9 wires - Rx+/-, Tx+/-, CTS+/-,RTS+/-,SG)
  • Line impedance: 120 Ohm
Supply set:
Name Designation Q-ty Comments
Interface converter А52 2 Standart
RS232 Connection cable DB9-RJ45 2 Standart
RS422 line connector RJ45-2x10 2 Standart
25 to 9 pins adapter for PC DB9-DB9 2 Standart
Installation manual   1 Standart

  • Recommended cables for the long RS422 line: STP ST4x2 (Cat5) or UTP-4 (Cat5);
  • RS422 twisted pair cable is purchased separately by customer.

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