Digi Digi Conntect ME, Hardware Reference Manual

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C o n n e c t o r s : P o w e r a n d D e v i c e I n t e r f a c e
1 2
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D i g i C o n n e c t W i - M E & D i g i C o n n e c t M E H a r d w a r e R e f e r e n c e
Note
-S: No JTAG for use with Digi Firmware
-C: No JTAG for use with Custom Firmware
-JT: With JTAG for use with custom firmware development
Connectors: Power and Device Interface
The module has a 20-pin male connector that supports a serial interface with data rates up
to 230,400 bps and full-modem control, and GPIO ports. See the following figure for pin
orientation and the table for pin assignments.
Note
Digi recommends 100 pF capacitors to circuit ground on all inputs and outputs
to the module for ESD immunity. This includes the power pass-thru pins if they
are not used.
Power and Device Interface Connector
Power and Device Interface Connector Pin Assignments
Pin Signal Description
1 VETH+ Power Pass-Thru +
2 VETH- Power Pass-Thru -
3-6 — Position Removed
DC_ME-HWR.book Page 12 Thursday, July 1, 2004 11:12 AM