VL-EPMs-U1 Reference Manual
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Introduction
Features
The VL-EPMs-U1 is an embedded serial communications module with global positioning system
(GPS) capability. Based on the SUMIT-ISM form factor, the VL-EPMs-U1 supports SUMIT and
PC/104 stackable expansion buses on a 95 mm x 96 mm (3.76” x 3.78”) footprint.
Configurations and feature sets include:
Model
Availability
Serial
Channels
GPS
Connectors
VL-EPMs-U1A
Standard
4
No
SUMIT-A
VL-EPMs-U1B
Standard
6
No
SUMIT-A
VL-EPMs-U1C
Standard
4
No
SUMIT-AB + ISA
VL-EPMs-U1D
Special Order
6
No
SUMIT-AB + ISA
VL-EPMs-U1E
Standard
2*
Yes
SUMIT-A
VL-EPMs-U1F
Special Order
4*
Yes
SUMIT-A
VL-EPMs-U1G
Special Order
2*
Yes
SUMIT-AB + ISA
VL-EPMs-U1H
Special Order
4*
Yes
SUMIT-AB + ISA
* Indicates the number of serial channels available for user I/O. The two serial channels
(COM3-4) dedicated to the GPS interface are not included in this number.
All boards include the following features:
Transient Voltage Suppression
(TVS) devices on I/O interfaces
for protection against power
spikes and surges
Designed to provide -40° to
+85°C operation for reliable use
in harsh environments
Full compliance with EU Directive
2002/95/EC (RoHS) for devices used in
Europe
SUMIT-ISM (Legacy Type 1) form factor
The VL-EPMs-U1 features high-reliability design and construction. All VL-EPMs-U1 boards are
subjected to functional testing and are backed by a limited two-year warranty. Careful parts
sourcing and US-based technical support ensure the highest possible quality, reliability, service,
and product longevity for this exceptional board.
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