Post-Installation Checks - Avaya M-ACCF/SF User Manual

Chapter 3 Installation

Post-Installation Checks

Figure 3.2 shows M-ACC front panel with its LEDs, switches and connectors
(described in Table 3.2).
When you insert an M-ACC ATM Access module into the Avaya M770 chassis or
after a reset, there is a Startup sequence which takes about 30 seconds before the
ATM lights ON.
Table 3.2
LED Name
OPR
ATM
LNK
Tx
Rx
OC12
Figure 3.2
Note: All LEDs are lit during a reset.
42
M-ACC LEDs Descriptions
Description LED Status
ON – Module is OK
Module
OFF – Module is not operational
Operational
Status Blink – Module is not connected to DomainX or
DRU overflow problem
ON – ATM CPU OK, Built-In Test OK
Status of ATM
Entity (CPU)
OFF – Fail
OFF – Port is disabled
Port Status ON – A link is present on the ATM port
Blink – Port enabled and the link is down
OFF – The ATM port is not transmitting cells
Transmit to
Line
ON – The ATM port is transmitting data cells
OFF – No receive activity
Receive from
Line
ON – The ATM port is receiving data cells
High Speed OFF:
ON:
LED Indications for the M-ACC ATM Access Module
Avaya M770 M-ACCF/SF ATM Access Modules User's Guide
OC-3c
OC-12c