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RS232 to E1 Converter

RS232 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. RS232 to E1 converter is available in standalone unit(External RS232 to E1 converter) and Rack model 9.19"(Dual RS232 to E1 converter) .

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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RS232 to E1 Converter


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  • 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 tests for diagnostic purpose
  • Indications for displaying the status of the unit
  • Supports 120Ω /75Ω E1 interface
  • Jitter attenuator complies with ITU G.823 standard
  • Supports up to 30dB attenuation
  • standalone(single converter) and Rack(Dual card) models
  • AC or DC power


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

232 Interface

Line speed Up to 115200bps
Connector 9 Pin Female D-Connector
ESD Protection 15KV

Test Modes

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


-5 to 70 Degree centigrade


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


RS232 to E1 Converter

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