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XPress DR+ User Guide 103
Appendix A: Technical Specifications
Table 13-2. XPress DR+ and XPress DR+W Specifications
Category Description
CPU Lantronix DSTNI-EX 48 MHz clock
Internal CPU Memory 256 KB SRAM
Flash 2 MB Flash
EEPROM 2 KB EEPROM
Serial Interface 2 RJ45 RS232 Serial Ports
Baud rate selectable from 300 to 230 Kbaud
1 Screw terminal RS-422/485 interface on Serial Port 2 (2 and 4 wire support)
LED indicators for TXD and RXD activities
Serial Line Formats Characters: 7 or 8 data bits
Stop bits: 1 or 2
Parity: odd, even, none
Modem Control DTR, DSR
Flow Control Hardware: CTS/RTS
Software: XON/XOFF
Reset (warm boot) Front panel recessed push button. (This is not a reset to factory settings.)
Power Input Removable screw terminal block connector
9-30 VDC or 9-24 VAC with chassis ground
2.3 Watts maximum
Network Interface 2 RJ45 10Base-T/100Base-TX Ethernet ports
Embedded unmanaged fully compliant 802.3u non-blocking Ethernet switch
Store and forward architecture with 1K MAC address lookup table
Automatic MDI/MDI-X crossover
Full duplex IEEE 802.3x flow control
Half-duplex back pressure flow control
IEEE 802.1d spanning tree
Dimensions 123 x 57 x 88 mm (4.85 x 2.25 x 3.45 in), terminal blocks included
Weight 0.21 kg (0.46 lb)
Temperature Operating range: -40°C to +70° C (-40 to 158 degrees F)
Humidity 20% to 90% relative humidity, non-condensing
Case High-impact plastic case with integrated DIN-rail (35 mm) mount
IP30 enclosure rating
Protocols Supported ARP, UDP/IP, TCP/IP, Telnet, ICMP, SNMP, DHCP, BOOTP, TFTP, and HTTP
Installable Industrial
Protocols
ModBus TCP, ModBus ASCII/RTU, Multi-Master DF1
Management Internal web server (Standard Tunneling firmware only)
SNMP (read only)
Serial login
Telnet login
DeviceInstaller software
System Software DeviceInstaller, Windows® 95/98/ME/NT/2000/XP-based configuration software