Table 4-1 Cpu Led Indications; Figure 4-24 Location Of The Leds On The Cpu Board; Section 3 Led Indications - NEC SL2100 Hardware Manual

ISSUE 1.0
S 3 LED INDICATIONS
ECTION
The LEDs on the CPU indicate the following:
• RUN (D1) = The CPU is operating (Green)
• ALM (D2) = Alarm (Red)
• Refer to Program 90-10: System Alarm Setup for details on assigning alarm LEDs.
Table 4-1 CPU LED Indications on page 4-15
and status indications.
RUN (D1) LED: Green
CPU board
The priority order (No.1 ~ 16) is set up to each status and when more than one different status are
occurred, the highest priority LED indication pattern (status) will be indicated.
Priority
No.
1 When system has started Up (only U-boot is execute)
2 Shutting down accept status (going to be powered off)
3 Boot error
4 DSP/FPGA Download Error
5 Security Tip Error
6 Reading Error of System Program
7 Completed the System Program Upgrade
8 Initializing System Program
9 DSP/FPGA downloading
10 Boot is starting
11 IP address lease request
12 DHCP Reset request
13 File accessing (SD Memory card/Flash ROM data is up-
dating)
14 Error alarm (Major) occurred
15 Error alarm (Minor) occurred
16 System Operating Normally
Hardware Manual
provides a list of each LED and associated operation
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Figure 4-24 Location of the LEDs on the CPU Board

Table 4-1 CPU LED Indications

Status
ALM (D2) LED: Red
ST 100 1G ACT
RUN ALM LOAD
EXP1 EXP2
RUN (D1): Green
Off
500ms On / 500ms Off
On
Off
100ms On / 100ms Off
1s On / 1s Off
1s On / 1s Off
Off
Off
On
300ms On / 200ms Off /
300ms On / 200ms Off /
300ms On / 700ms Off
300ms On / 200ms Off /
300ms On / 200ms Off /
300ms On / 700ms Off
100ms On / 100ms Off /
100ms On / 100ms Off /
100ms On / 500ms Off
100ms On / 100ms Off
1s On / 1s Off
1s On / 1s Off
SL2100
LED Indication
ALM (D2): Red
Off
Off
1s On / 1s Off
100ms On / 100ms Off
100ms On / 100ms Off
100ms On / 100ms Off
1s On / 1s Off
On
1s On / 1s Off
Off
Off
On
Off
1s On / 1s Off
On
Off
4-15