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Hardware and Connectivity 35
Getting to Know Your IOLAN
z Power/Ready —This LED can cycle through several colors (amber, green, red) during a boot
process, but should complete with a solid green light. The label of the LED, and whether or not
the LED blinks green after power depends on the IOLAN, as shown in the table below. You can
learn more about the Power/Ready LED in
Hardware Troubleshooting on page 409.
IOLAN Model LED Label Green light
Desktop Power/Ready Solid — Indicates the IOLAN has completed the power up
cycle.
Blinks — After power up, a blinking green light indicates
that the console switch is in the on position.
Rack mount System Ready Solid — Indicates the IOLAN has completed the power up
cycle.
Medical unit Solid — Indicates the IOLAN has completed the power up
cycle.
z External Power Supply—For all IOLAN models, this can be an external AC power supply, DC
terminal, or power cord, depending on the model.
z Console/Serial Switch—Found on desktop models only (rack mount models have a dedicated
console port), this switch determines whether port 1 functions as a serial port or a console port. If
you have an extended temperature or I/O model, you will see two console switches.
Console/Serial Switch 1 is used to determine the console/serial setting for Port 1 and the
Console/Serial Switch 2 is not used.
z Reset—The inset RESET button will reboot all IOLAN desktop and rack mount models if
pushed in and released quickly. It will reset the IOLAN to factory defaults if pushed in and held
for more than three seconds. (The RESET button is not available on medical unit models.)
z Serial Activity—All IOLAN models (except medical unit models) have an LED that blinks for
serial activity.
z Tx—Blinks with transmit serial activity. There is a Tx LED for each serial port.
z Rx—Blinks with receive serial activity. There is an Rx LED for each serial port.
z Ethernet—The Ethernet connector. SCS models have dual Ethernet.
1-Port
This section describes the components found on the IOLAN 1-port models.
Serial Activity
Power/Ready
Link/10/100
Activity (LAN)
Serial Port
External Power Supply
Console/Serial
Switch
Reset
Ethernet