User`s guide

Interpreting the LEDs
110 Chapter 13 Reference and Certifications
LEDs for PortServer TS 8/16 Products
Device EIA 232/422/485 Switch Settings
Note: MEI Switch settings apply only to devices with external MEI switches.
LED Color State Indicates
Power Green On Power detected.
Blinking Indicates that there is data stored in the error log
for the PortServer TS device.
To view and clear the error log, go to the
command-line interface for the PortServer TS
device. To view the error log, enter display error.
To clear the error log, enter display error clear.
Link Green On Physical Network detected.
Off No physical network detected.
10/100 Green On 100Mbit Ethernet detected.
Off 10Mbit Ethernet detected.
ACT Green On Bad initialization.
Off Ready.
Blinking Network activity.
COL Amber On Ethernet collision detected.
Off No Ethernet collision detected.
Function
Switch Settings
1 2 3 4
EIA-232 Up Down Down Down
EIA-422/485 Full-
duplex
Down Down Down If up, termination.
If down,
no termination
EIA-485 half-duplex Down Down Up