Front Panel Leds - ZyXEL Communications Multi-service Access Platform MSAP2000 User Manual

2.1.2 Front Panel LEDs

The following table describes the LED indicators on the front panel of the
MSAP2000 AAMS.
Table 1
ACTV
(Green)
FAIL(Red)
SYS (Green)
UpLINK SPD 1/2 (Green)
ULINK LNK 1/2 (Green)
ADSL2/2+ 1~12 (Green)
ALM (Red)
LED status and description
LED Status Description
GREEN：Normal Working
OFF：CPU or Power Failure
ON： CPU or Auto-Detection
Failure
OFF：Normal Working
ON: NPU is running (Normal)
OFF: NPU is stopped
ON: 100Mbps Ethernet connected
to port 1/2 when LNK is ON
OFF: 10Mbps Ethernet connected
to port 1/2 when LNK is ON Or
LNK is OFF
ON: Linked to Ethernet network
OFF: Not linked to any Ethernet
network
ON: The corresponding port is
linked to a ADSL2/2+ CPE
OFF: The corresponding port is
not linked to any ADSL2/2+ CPE
ON： Alarm Occur
TWINKLE：Looptesting
OFF：No Alarm
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