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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 |
|
LED |
PWR, ACT, LNK |
PWR, ACT, LNK |
ACT, LNK |
|
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
RTS/DTS
None |
|
Management |
SNMP
Serial login
Telnet login
EZWebCon |
|
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)
Activity
Link |
|
Compatibility |
Ethernet: Version 2.0/IEEE 802.3
|
|
Power Requirements |
Click for detailed power requirements |
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Temperature Limits
|
Operating Temperature: 5 to 50°C (41 to 122°F)
Storage Temperature: -40 to 66°C (-40 to
151°F)
Maximum Temperature Change: 20°C (36°F)
per hour |
|
Relative Humidity Limits |
Operating Range: 10% to 90% noncondensing, 40%
to 60% recommended
Storage Range: 10% to 90% noncondensing |
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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 1.8°C
for each 1,000 m (1°F 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 |
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