Seven-Segment Led; 10/100/1000Base-T Auto-Sensing Ethernet Port Status Led - NEC QX-S5526P Installation Manual

Installation Guide
QX-S5500 Series Ethernet Switches

1.4.5 Seven-Segment LED

The seven-segment LED and the system status LED together indicate the operating status
of the device. For details, refer to Table 1-10
LED
Flashing
green
Flashing
red
Flashing
green
Unit
Steady red
Steady red
Steady
green

1.4.6 10/100/1000Base-T Auto-Sensing Ethernet Port Status LED

 NOTE:
At software Version 5.4.16 or later Version, when a loop was detected at the port where a loopback detection
feature is effective, while port mode is rate mode or duplex mode Ethernet Port Status LED flashes on and off
by the cycle for about 2 seconds greenly.
The port mode LED and the 10/100/1000Base-T auto-sensing Ethernet port status LED
together indicate the port operation status. Refer to Table 1-11 for details.
Table 1-11 10/100/1000Base-T auto-sensing Ethernet port LEDs description
LED
10/100/1000
BASE-T port status
LED
Table 1-10 Seven-segment LED description
Status
SYS LED Seven-segment LED
The LED displays the specific numbers one
by one.
The LED flashes the specific numbers.
A bar rotates clockwise around the LED.
The LED flashes F.
The LED flashes t.
The LED displays the specific numbers
Port mode LED
Steady green
(rate mode)
Ethernet port status
LED
Steady The port operates at a rate of 1000 Mbps.
green The data is being sent and/or received on
Flashing
the port.
The port operates at a rate of 10/100
Steady
Mbps.
yellow
The data is being sent and/or received on
Flashing
the port.
Flashing green (3 Hz) POST failed on the port.
1-10
1 Product overview
Description
POST running. The LED displays the
POST test ID.
POST failed. The LED flashes the
POST test ID of the failed test.
Software loading
Fan failure
Over-temperature alarm
The LED displays the member ID.
Description