Cabletron Systems MicroMMAC 24T MICROMMAC- - Manual (Page 98)

TROUBLESHOOTING
5-2
5.2 USING THE LCD DISPLAY
The MicroMMAC-T is equipped with an LCD and a LCD display button
as shown in Figure 5-1.
Figure 5-1. LCD Display
The LCD is a diagnostic tool for viewing the following important status
information about the MicroMMAC-T:
• Power up diagnostics
• Revision levels
• Hardware, MAC address, or locally administered address
• IP address
• Error conditions.
The LCD presents four types of messages:
• Static System Messages
• Saved Alarm Messages
• Unsaved Initialization Messages
• Saved System Messages
The following sections describe messages for each category.
DISPLAY
TOKEN RING HUB WITH LANVIEW®
SUPPORTING 100 OHM UTP CABLE
24 23
12 11
MicroMMAC-24T
CPU ACT
MGMT 16 Mb/s
COM 1 COM 2
DISPLAY RESET
SPEED
16M 4M
RO
LCD
EPIM-C
LCD DISPLAY BUTTON