Products Serial Fiber Optics Seciality Converters
Non-Isolated RS-485 Converters
Non-Isolated RS-485 Converters
Extend communications up to 4,000 feet
These converters are perfect for applications that don’t require isolation or port-powered capability. All models include Automatic Send Data Control, eliminating the need for software modification.
Model 485COSR is an economical converter that supports both 2-wire and 4-wire RS-485 communications. There is also provision for constant enable of the receiver during transmit for full duplex operation. |
 Model 485TBLED is one of our most popular models with data traffic LEDs, RS-422/485 support, and either Automatic Send Data Control or software driver control. |
 Model 485PTBR has a convenient terminal block that quickly unplugs from the converter for ease of wiring. |
 Model 485CSP2 features both surge controlled and fused data lines on the RS-422/485 side plus all the features of model 485TBLED. |
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Model No.
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RS-232 Connector
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RS-485 Connector
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Power Supply
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Special Features
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485COSR
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DB25 female
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DB25 male
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485PS
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For 2- or 4-wire RS-485.
Full duplex operation possible |
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485TBLED
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DB25 female
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Terminal block
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485PS2
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Data flow LEDs. SDC or software driver control
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485PTBR
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DB9 female
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Pluggable terminal block
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485PS2
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Quick disconnect. Can also be set to 4-wire full duplex RS-485
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| 485CSP2 |
DB25 female
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Fused terminal block
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485PS2
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Built-in surge protection and replaceable fuses on RS-485 side.
LEDs show traffic. For 2- or 4-wire RS-485 or RS-422. |
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