Interpreting the LEDs
LEDs for PortServer TS 8/16 Products
LED
Color
Power
Green
Link
Green
10/100
Green
ACT
Green
COL
Green
Device EIA 232/422/485 Switch Settings
108
State
On
On
Off
On
Off
On
Off
Blinking
On
Off
Note:
MEI Switch settings apply only to devices with external MEI switches.
Function
EIA-232
EIA-422/485 Full-
duplex
EIA-485 half-duplex
Power detected.
Physical Network detected.
No physical network detected.
100Mbit Ethernet detected.
10Mbit Ethernet detected.
Bad initialization.
Ready.
Network activity.
Ethernet collision detected.
No Ethernet collision detected.
Switch Settings
1
2
Up
Down
Down
Down
Down
Down
Down
Down
Up
Chapter 13 Reference and Certifications
Indicates
3
4
Down
If up, termination.
If down,
no termination