MMNM9 ADVANTECH | Alldatasheet
Document overview
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Technical content
MMNM9_NullModem_3517ds All product specifications are subject to change without notice. www.advantech-bb.com Corporate Headquarters: 707 Dayton Road, PO Box 1040 Ottawa, IL 61350 USA 815-433-5100 Fax 433-5104 European Office: Westlink Commercial Park, Oranmore Co. Galway Ireland +353 91 792444 Fax +353 91 792445 orders@advantech-bb.com support@advantech-bb.com
- 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.
ORDERING INFORMATION
MMNM9 Null Modem Adapter - DB9 Male / DB9 Male PRODUCT FEATURES RS-232 Null Modem Adapter Model MMNM9 PIN OUT DIAGRAM