Nt1 Status Leds (Csx1200-U4-Mod Only) - Cabletron Systems CSX1200 User Manual

Each Ethernet port also has a Link LED. This LED provides connectivity information for a specific
Ethernet port. It glows green when the link is up.
There is one Collision LED for the hub module. It is located between the 7th and 8th hub ports. This
LED provides collision information for the entire hub. It blinks red when a collision occurs.
NT1 S LED (CSX1200-U4-MOD
TATUS S
The NT1 Status LEDs are located between the S/T and U-interface jacks for each port on the
CSX1200-U4-MOD's back panel. These LEDs are convenient troubleshooting tools to help diagnose
NT1 and related link problems on a port-by-port basis.
Receive
state
port enabled, no activity
port enabled, activity
Link
state
power off or failure
link, active
Collision
state
normal
collision
ONLY
NT1 Status
state
U and S/T active (ON)
OFF
U active, S/T inactive
System Initialization
LEDs
color
off
yellow (blinking)
LEDs
color
off
green
LED
color
off
red (blinking)
)
LEDs
color
green
(not lit)
green
(slow blink; 1 per second)
green
(fast blink, 8 per second)
Workgroup Remote Access Switch
LED I
NDICATORS
WAN LED Indicators
421