Advantech BB-MMNM9
RS-232 Null Modem Adapter - DB9
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Eigenschaften
Beschreibung
Weitere Informationen
PDF
- 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
Null modem adapters are 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.
SPECIFICATIONS
| Available Modules | |
| BB-MMNM9 | Null Modem Adapter - DB9 Male / DB9 Male |
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