RS-232 Null Modem Adapter Model MMNM9 www.advantech-bb.com PRODUCT FEATURES 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, ORDERING INFORMATION terminal, printer etc.) directly using a RS-232 serial cable. The original MODEL NUMBER DESCRIPTION RS-232 standard only defined the connection of DTEs with DCEs (i.e. MMNM9 Null Modem Adapter - DB9 Male / DB9 Male 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. PIN OUT DIAGRAM All product specifications are subject to change without notice. MMNM9 NullModem 3517ds orders advantech-bb.com Corporate Headquarters: 707 Dayton Road, PO Box 1040 Ottawa, IL 61350 USA 815-433-5100 Fax 433-5104 support advantech-bb.com European Office: Westlink Commercial Park, Oranmore Co. Galway Ireland +353 91 792444 Fax +353 91 792445X-ON Electronics Largest Supplier of Electrical and Electronic Components Click to view similar products for D-Sub Adapters & Gender Changers category: Click to view products by B&B Electronics manufacturer: Other Similar products are found below : 243A10120X 243A11070X 243A13290X 243A13460X 300X10729X 300X10759X GCHDLP26F26F 30-9532P 40-9586FP 500-135 40- 9526HDMP 56F715-003 243A11800X 243A10560X 40-9526HDSP 243A11060X 56-745-005 243A10580X 56-725-001 SC485 173114- 0088 173114-0099 76000670 76000700 NADB9MF 2902323 2902326 40-9538F 163A50049X NADB15FF-B NADB9FF-B 243A10030X 76000671 163A50029X 16-501373 FCC17-A15AD-280 FCC17-E09AD-210 FCE17-A15AD-250 FCE17-B25AD-210 FCE17-B25AD-250 FCE17B25AD290 FCE17-E09AD-210 FCE5709500430 2310387 GCHDLP44M44M GCLP25M25F FCC17A15AD2E0 FCC17C37AD280 FCC17-E09AD-280 FCC17E09AD293