Paradyne 8820, Руководство по установке

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2. Installation
8820-A2-GN20-80 November 2004
2-27
Verifying the Installation
To verify the hardware installation, observe the front panel indicators.
In normal operation:
„
The POWER A LED and/or the POWER B LED are in the ON state (green).
— If you are using dual power sources, both Power LEDs must be ON.
— If you are using a single power source, the appropriate Power LED (either
Power A or Power B) must be ON.
„
The FAN ALARM LED must be OFF.
„
If you installed an SCP card, verify that the SYSTEM ACTIVE or STANDBY
LED is cycling off and on.
„
If you installed an MCP or SCM card, verify that the SYSTEM OK LED is
cycling off and on.
„
Verify that the SYSTEM OK LEDs on any line cards are cycling off and on.
If these LEDs fail to appear as described, see Troubleshooting Table and LEDs in
Chapter 6, Troubleshooting , for more information.
ALARMS
Major Minor Fan
B A
POWER
48V R
TN
48V NEG
POWER ENTRY MODULE
LEFT UNIT: LINE A
RIGHT UNIT: LINE B
WARNING! POWER MUST BE DISCONNECTED AT THE S
OURCE BEFORE REMOVING OR INSTALLING THIS PWR ENTRY MODULE
48V R
T
N
48V NEG
POWER ENTRY MODULE
LEFT UNIT: LINE A
RIGHT UNIT: LINE B
WARNING! POWER MUST BE DISCONNECTED AT THE S
OURCE
BEFORE REMOVING OR INSTALLING THIS PWR ENTRY MODULE
ALARMS
Major
Fan
B
A
POWER
04-17554
Minor
SCP
SERIAL
CLOCK
A
ALARM
OUT
CLOCK
B
MCP
SERIAL
ALARM
IN
HUB-2
LAN
MCP
LAN
TAP
OUT
SCP
LAN
HUB-1
LAN
TAP
IN