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- Interconnect two devices with similar DTE ports
- Reverse Pin 2 (Transmit Data) and Pin 3 (Receive Data)
- Connect TD to RD, DTR to DSR, and RTS to CTS
- Transfer port power from host to peripheral
- Ideal for use with port powered converters from B+B SmartWorx
Model MMNM9, RS-232 null modem adapter, can be used to connect two DTEs (computer, terminal, printer etc.) directly using a RS-232 serial cable. The original RS-232 standard only defined the connection of DTEs with DCEs (i.e. modems).
With a null modem adapter, the Transmit and Receive lines are cross-linked. Depending on the purpose, one or more handshake lines are cross-linked. Several wiring layouts are in use because the null modem connection is not covered by a standard. B B SmartWorx’ Null Modem adapter comes with a variety of connector options and pin outs to cover most common applications.
Product Specifications Download Spec
- Part Number
- Details
-
BB-MMNM9
- Technology
- Cable Type
- Accessory Type
- Accessory
- 9 Pin
- Null Modem
General
-
Technology
BB-MMNM9 Accessory -
Cable Type
BB-MMNM9 9 Pin -
Accessory Type
BB-MMNM9 Null Modem
