A451

RS-232 RS-485 Interface Converter Multidrop up to 32 devices using standard RJ-45 Ethernet Cables Features ASeries A451 l Multidrop up to 32 drivers and 32 receivers at dis- tances over 1200 metres l Internal jumper settings allow the use of either stand- ard or crossed Ethernet cables l Supports both 4-wire and 2-wire operation l Transient Protection on RS-485 lines l Transmits data at up to 115Kbps l Non-powered RS-485 operation over distances up to 100 metres l Switchable DCE/DTE selection for RS-232 port Applications l Switchable termination resistors for RS-485 port 34 The A451 interface converter may be used to connect l RJ-45 connectors on RS-485 port any RS-232 device onto an RS-485 multidrop bus l LED indicators for data activity RS-485 Multidrop bus l Monitor mode allows problem diagnosis on the RS-422/485 bus A451 A451 A451 l CE and C-Tick Approved l Very LOW COST - Very BIG FEATURES RS-232 RS-232 RS-232 Device Device Device Specifications - ASeries A451 34 Use two A451 converters to connect RS-232 devices over a long distance using Ethernet cable RS-232 Port: Asynchronous RS-232 DB-25 female connector Switch Selectable DCE/DTE RS-232 Transfer up to 64Kbps Device A451 A451 RS-485 Port: RJ-45 Input & Output connectors Switchable 120V termination Long distance RS-485 connection Protection: Transient Voltage Supression Diodes RS-485 - Transmit Data Lines - Receive Data Lines 34 Use an A451 converter as an interface to an RS-485 LED Indicators: Receive Data RS-232 2-wire bus Receive Data RS-485 Power Supply: 9V (200mA) DC A451 Reverse Polarity Protection Non-powered up to 100 metres (point-to-point Interface to an RS-485 2-wire bus only) Dimensions: 84m x 58mm x 23mm Weight: 160 grams 34 Monitor mode is a special bus snooping setting that allows an installer or designer to look at what is All Specifications subject to change without notice happening on both pairs of a 4-wire RS-485 bus. Alfatron Pty Ltd ACN 005 410 819 PO Box 4161 Unit 9, 36 New St. Ringwood VIC 3134 AUSTRALIA Tel: +61-3-9876 9011 Fax: +61-3-9876 9044 A451BRO Feb 2002 Email: sales alfatron.com.au Web Site: www.alfatron.com.auX-ON Electronics Largest Supplier of Electrical and Electronic Components Click to view similar products for alfatron manufacturer: Other Similar products are found below : A420 A440