Nortel Meridian Meridian 1, Planning, Installation And Operating Instructions

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Chapter 20 — Meridian Mail Compact Option installation and maintenance Page 281 of 536
Option 11C Compact Planning, Installation, Fault Clearing and CCBR Guide
Replacing components
Refer to the appropriate sections in this guide.
Problems during startup
The 68K card (mail CPU) has two LEDs. The left LED which is green is the
card status LED.The right LED which is yellow is the HDD status LED. The
following text and procedures are concerned with the card status green LED.
When the system is first turned on, the LED lights briefly and Compact
Option proceeds with its internal diagnostics and start-up procedures. The
LED should remain unlit during the entire process which takes approximately
four minutes.
When start-up is complete, the green LED lights and stays lit. A flashing LED
indicates a problem with the start-up procedure.
Refer to Table 34 to determine the appropriate procedure to follow based on
the LED indicator.
CAUTION
Risk of data error
Before removing or handling any Meridian Mail Compact Option
hardware, ensure that you courtesy down the system. Refer to
Procedure 39 on page 209 .
CAUTION
Risk of equipment damage
Use extreme care and wear a grounding strap when handling the
PCBs. They are susceptible to electrostatic damage and to damage
from rough or improper handling.