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RS422/RS485 to E1 Converter

RS422 to E1 converter takes data from data terminal equipment and converts into E1 line .It connects equipment like Data logger, PC, RTU etc., to E1 network. Supports up to 30dB attenuation and distance up to 1.5km.

User selectable test modes are used for both line and converter checking. BERT switch activates Pseudo random pattern for complete end to end testing and ERR LED indicates for certain count of errors.

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RS422 to E1 Converter

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Features:

  • Complies with ITU G.703,G.704 Standards
  • Supports Unframed and Framed E1
  • Supports Internal and recovery clock
  • User selectable CRC Enable/Disable option
  • Inbuilt BERT tester
  • Supports loop back test for diagnostic purpose
  • Indications for displaying the status of the unit
  • Supports 120Ω /75Ω E1 interface
  • Jitter attenuator complies with ITU G.823 standard
  • RS422/RS485 DTE interface port.
  • Supports up to 30dB attenuation
  • standalone(single converter) and Rack(Dual card) models
  • AC or DC power

Specifications:

E1 Interface

Line rate 2.048Mbps
Line Coding HDB3
Interface E1 Interface as per ITU G.703 standard
CRC User selectable  CRC enable/disable option
Impedance 120Ω (Balanced) , 75Ω(Unbalanced)
Clock Internal clock or E1 recovered clock
Jitter Attenuator As per ITU G.823 standard
Connector RJ45 (Balanced) , BNC (Unbalanced) for standalone model Euro connector terminations for Rack model

422/485 Interface

Line speed Up to 115200bps
Connector 9 Pin Female D-Connector

Test Modes

LLB Local loop Back
RLB Remote loop Back
BERT Pseudo random test pattern generation with TEST & ERR indications

Indications

PWR Power Indication
HEALTH Indicates system Health
E1_LINK Network Link
E1_TD Data Transmit Indication
E1_RD Data Receive Indication
TEST Test Indication
ERR BERT error indication

Power Supply

DC SUPPLY (9-36)V DC Supply
AC SUPPLY  230V AC, 50Hz

Temperature

-5 to 70 Degree centigrade

Dimensions

230mm(L) X 119mm (W) X 35mm(H)

Application

RS422/RS485 to E1 Converter