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The MSS-VIA (Variable Interface Architecture) Device Server brings a new level of network-enabled flexibility and communications to thousands of serial devices. By combining an RS-232, RS-422 and RS-485 serial interface with a 10/100 Ethernet and integrated PC Card interface, the MSS-VIA enables users to leverage current and future PC Card technology to meet their device communication needs.

TCP/IP (Unix), IPX (Novell NetWare), LAT (DEC)
DB25 serial port with full modem controls and speeds up to 230 Kbps
DB9 serial console port
Type I/II PC Card Interface
10/100 RJ45 network interface
Wide variety of port and network configuration options
Management via Telnet, SNMP, DHCP, HTTP, DB9 Serial Console Port and EZWebCon™, Lantronix’s management software
Flash ROM for easy software upgrades
CD-ROM with EZWebCon and DeviceComm Manager
802.11 DSSS & FHSS support
Easily network-enable any product

Supported Protocols TCP/IP (Unix), IPX (Novell NetWare), LAT
Network Interface 1 10/100 RJ45
Serial Interface 1 DB25 serial port
1 DB9 serial console port
PC Card Interface Type I/II PC Card support
Click here for a list of currently supported PC Cards
Data Rates Serial speeds up to 230 Kbps
Flow Control XON/XOFF
Hardware flow control
Modem Controls RTS, CTS, DSR, DTR, CD
Device Support Supports any RS-232/RS-485 serial port device requiring network access
Management EZWebCon, Lantronix's management software
Telnet and LAT logins
DB9 Serial Console Port
System Software Flash ROM standard: downloadable from EZWebCon, a TCP/IP host (TFTP download), DECNET host (MOP download) or NetWare file server
Diagnostic LEDs Good Link
Speed (10/100)
PC Card Activity
Serial Activity
Compatibility Ethernet version 2/IEEE 802.3/IEEE 802.3u
Power Requirements 7-24VDC @ 0.8A max.
(12VDC external AC adapter included)
Environmental Operating Temperature
5 to 50°C (41 to 122°F)

Storage Temperature
-40 to 66°C (-40 to 151°F)
Physical Dimensions
(H x W x D)
1.0 x 5.75 x 7.0 in
2.5 x 12 x 17 cm
Weight: 1.3 lbs (.58kg)
Shipping Dimensions
(H x W x D)
2.75 x 13.25 x 6.75 in
(7.0 x 33.66 x 17.15 cm)
Weight: 3.6 lbs (1.63kg)
Agency Approvals FCC (A), C/UL, TUV, CE (B)
Warranty 1-year limited warranty - as of August 1st, 2003

Part Number Description
MSS-VIA-A-01 10/100 Device Server, 1 DB25 RS-232/RS-485 serial port, 1 10/100 RJ45 networking port, Type I/II PC Card interface, diagnostic LEDs, Installation Guide, CD-ROM with EZWebCon software, DeviceComm Manager, and reference manual, external 120VAC power supply
MSS-VIA-A-02 Same as above with 220VAC power supply
Datasheet (PDF)
Installation Guide (PDF)
Reference Manual (HTML)
Reference Manual (PDF)
Latest Firmware
List of Supported PC Cards
Networking Tutorials



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