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TRANSITION CRS4F3114-100 Point System RS422/485 Copper to Fiber Slide-In-Module Media Converter 1.25 Mbps 1 x serial - RS-422/485 - 9 pin D-Sub (DB-9) male 1 x network - SC single mode female x 2

  • 1.25 Mbps
  • 1 x serial - RS-422/485 - 9 pin D-Sub (DB-9) male
  • 1 x network - SC single mode female x 2

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  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews

Transition Networks' serial RS-422/485 to Fiber Media Converter allows you to extend the distance between serial connections with the use of fiber optic cable. This full-featured converter operates in 2-wire mode for RS-422 and either 2-wire or 4-wire mode for RS-485 and supports full or halfduplex data transmission at speeds up to 1.25 Mb/s.

Learn more about the Transition Networks CRS4F3114-100




1310 nm
1 x serial - RS-422/485 - 9 pin D-Sub (DB-9) male
1 x network - SC single mode female x 2
Max Distance
20 km
Transfer Rate
1.25 Mbps


Report converter status to chassis management software

Local Fiber Lock status
Receive data activity on the copper linkLocal Switch settings

Remote Firmware Upgrade

Fiber Optic Connector Specs:
Min TX PWR: -19.0 dBm
Max TX PWR: -14.0 dBm
RX Sensitivity: -30.0 dBm
Max In PWR: -14.0 dBm
Link Budget: 11.0 dB

SW1: 130 ohm resistor Rx
SW2: 130 ohm resistor Tx
SW3: 1k ohm "pull-down"
SW4: 1k ohm "pull-up"
SW5: 2-wire / 4-wire
SW6: RS-485 / RS-422

Compatibility: Point System Chassis

Compliant Standards: CE, FCC Class A certified, cUL, EN 60950, EN55022, UL 1950, EN55024, CISPR 22

Dimensions & Weight

3.40" Height x 0.86" Width x 5" Depth

Manufacturer Warranty

1 year limited
1 year limited
Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 1 year
  • Read full details

Customer Reviews of the Transition Networks CRS4F3114-100

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