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Models At-A-Glance

Lantronix's MSSLite Device Server is a board-level product that allows OEM customers to integrate Lantronix's MSS network-enabling technology into their designs. The MSSLite is designed on a compact 3.3 inch by 2.3 inch board with convenient header options for serial or dma bus connections, external/internal and regulated/unregulated power options, and options for an internal or external Ethernet interface. Additional options include LEDs and a power backed-up real-time clock.

The MSSLite allows OEM customers to take advantage of the mature and robust Lantronix TCP/IP protocol stack that has been engineered over the last 10 years for all of Lantronix's server products. This software allows the MSSLite to facilitate direct uploads of data to a selected host or multiple selected hosts, handle polling or specific requests from networked hosts and provide management information to network requestors even while data transfers are in progress. Support for DHCP, TFTP, BOOTP, RARP, SNMP and telnet ensures easy and consistent interoperability in an IP networking environment.

In addition, Lantronix's software makes it possible to run existing software on networked PCs that was previously limited to direct serial connections. This application transparency eliminates the need for OEM customers to develop costly new networked applications software.

There are three MSSLite models, designated as MSSLite-A, MSSLite-B and MSSLite-C. The main differences between the models are their serial interfaces, power interfaces, LEDs, and the presence or absence of a real-time clock.

  MSSLite-A MSSLite-B MSSLite-C
Normal Full Serial Ports 1 1 1
Dedicated Console Ports 1 0 1
Connectors I/O 2 x DB25 1 x DB25 2 x IDC10
Voltage Input 6 - 32 VDC 4.75 - 5.25 VDC 6 - 32 VDC
Voltage Input Via Serial Port 4.75 - 5.25 VDC 4.75 - 5.25 VDC 4.75 - 5.25 VDC
Real-time Clock Yes No No

Supported Protocols IP: ARP, UDP, TCP, SNMP and TFTP
Network Interface Ethernet: RJ45 (10BASE-T)
Serial Interface DB25 (Dual Port) DTE (Version A)
DB25 (Single Port) DTE (Version B)
IDC10 (Dual Port) DCE/DTE (Version C)
Data Rates 300 bps to 38.4 Kbps
Serial Line Formats Characters: 7 or 8 data bits
Stop bits: 1 or 2
Parity: odd, even, none
Modem Controls RTS, CTS, DSR, DTR, CD (Version A and B)
RTS, CTS, DSR, DTR, CD (Version C, DCE)
RTS, CTS, DSR, DTR (Version C, DTE)
Flow Control XON/XOFF
Management SNMP
Serial login
Telnet login
System Software Flash ROM standard: new software can be downloaded from a TCP/IP host (TFTP) or over serial port
Diagnostic LEDs Power (Versions A and B)
Compatibility Ethernet: Version 2.0/IEEE 802.3
Power Requirements Click for detailed power requirements
Temperature Limits Operating Temperature: 5 to 50C (41 to 122F)
Storage Temperature: -40 to 66C (-40 to 151F)
Maximum Temperature Change: 20C (36F) per hour
Relative Humidity Limits Operating Range: 10% to 90% noncondensing, 40% to 60% recommended

Storage Range: 10% to 90% noncondensing
Altitude Limits Operating Limit: 2.4 km (8,000 feet)

If you are operating the MSS above 2.4 km (8,000 feet), decrease the operating temperature rating by 1.8C for each 1,000 m (1F for each 1,000 feet).

Storage Limit: 9.1 km (30,000 feet)

Physical Dimensions 8.38 cm x 5.84 cm x 1.0 cm (3.3 in x 2.3 in x 0.4 in)

Part Number Description
MSS-LITE-A Board-only Device Server
MSS-LITE-B Board-only Device Server
MSS-LITE-C Board-only Device Server
Datasheet (PDF)
Installation Guide (PDF)
Reference Manual (HTML)
Reference Manual (PDF)
Latest Firmware
Connector Diagrams
Power Requirements
Board Layouts
MSSLite-A Detailed Board Diagram (PDF)
MSSLite-B Detailed Board Diagram (PDF)
MSSLite-C Detailed Board Diagram (PDF)
Networking Tutorials



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