Polycom DOC2557B Hardware Manual page 22

Chapter 1-Hardware Description
1-18
Table 1-8 RTM IP 1500 LEDs (Continued)
LED
Component
Name
Modem LNK
Additional LEDs ERR
(4)
ACT
STBY
RDY
LED Color Indication
Green ON with an active network
connection, flickers with activity.
Amber ON when the active network is
10/100Mb, flickers with activity.
Red ON - Major error on RTM IP
1500.
Flashes - During system
startup.
Red ON - Packet flow to and from
the MCU chassis.
Flashes - During system
startup.
Green ON - CPU & System are in a
standby (OFF) mode.
Green ON - RTM IP 1500 has
successfully completed startup.
Flashes - During system
startup.