Configuring Dtr Power; Power Out - Digi TS 4 MEI User Manual

Configuring DTR Power

Power Out

Chapter 8 Configuring Power Over Serial Ports
Data Terminal Ready (DTR) power out is the factory default on the Digi
device. Total power budget for this feature is one (1) watt not to exceed 9
volts @ up to 100mA to any single port.
1. Set the port DIP switches to EIA 232 (switch 1 is up, 2, 3, and 4 are
down) to enable DTR power.
Open the port and set DTR high.
If you are having trouble with your unit after using the Power over port
feature, you may have tripped the circuit breaker in the unit. You can
identify this by the RI or DTR signal indicators found in the System
Information under Administration on the main menu in the web interface.
Click the port number using serial power. (Remember serial power out is
unavailable if the MEI settings are not 232.)
Under serial power will be a message if the breaker is tripped. Follow the
instructions to reset.
From the command line, issue the two commands below for additional
information.
• "display circuitbreaker" to display the status of the circuit breaker
• "set config circuitbreaker=reset" to reset the circuit breaker.
"set config" also displays the status of the circuitbreaker state.
Configuring DTR Power
Note Here are the pins to verify
the jumper position. The
default position has the
jumper on the two pins
furthest from the edge. DO
NOT MOVE THE JUMPER
FROM THE DEFAULT
UNLESS USING RI POWER
IN.
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