Verilink QUAD T1 (880-503345-001) Product Manual - Manual (Page 11)

Overview
Verilink QUAD T1 User Manual 1-3
Usually the LOCAL port is not used. Instead, the module is managed
through the SCM. Figure 1-1 shows the front panel of the QUAD T1
module.
Figure 1-1 QUAD T1 Front Panel
LEDs The front panel has five Light Emitting Diodes (LEDs).
SYS LED
The possible states for the SYS (System) led are shown in Table 1-1 .
Table 1-1 System LED States
Port LEDs
The port LEDs reflect the conditions listed in Table 1-2 .
Table 1-2 Port LED States
QUAD
T1
1 2
SYS
4 3
LOCAL PORT
PORT
PRI
EXT
MANAGEMENT
LED State Indication
Off No power to the module.
Steady Green Power and the module is not the shelf controller. This is typical.
Blinking Green to Off Power and the module is the shelf controller, should not occur with an SCM present
in the node.
Amber Shelf master negotiation is in progress. Normal during power-up cycle.
LED State Indication
Off The port is not in service. See Configuration .
Solid Green The port is in service with no alarms or loopbacks.
Solid Red The port is in service with one or more major alarms.
Solid Amber The port is in service and a loopback or test is in effect, or a yellow alarm (RAIS) is
being received.
Blinking Amber to
Red
The port is in service, a loopback or test is in progress, and errors are detected.