Using SystemGuard
2-19
I
2
C Maintenance
Use this option to do maintenance operations on the I
2
C buses of a selected unit, in order to
investigate and check the connected devices. When exiting this menu, the previous status of
the OP and SIB microcontrollers are restored (except for voltage margins).
1. Enter
5
in the main menu to select this option.
2. Some abbreviations used (with their meanings in parentheses) include:
rd
(read),
wr
(write), and
OP
(operator panel).
I
2
C Maintenance
00 rd OP status 05 wr LCD
01 rd UNIT status 06 rd I/O port SP0
02 rd EEPROM 07 fan speed
03 margins 08 powering
04 on/off OP LEDs
select(x:exit):
These options are explained in the following sections.
Read Operator Panel Status
Enter
00
to display the OP status table.
Read Unit Status
First enter
01
to view a unit status table. Then, when requested, enter a unit number to view
its SIB table.
Read the EEPROM
Enter
02
to read the vital product data (VPD) in the EEPROM memory. Select an EEPROM
and enter its menu number to display its contents. For the SIB, PS,SYSID, and MPe
selections, enter a unit number when requested.
EEPROM list
00 SYSID/CABID 09 MC0
01 OPP 10 MC1
02 MP 11 MC2
03 SP 12 MC3
04 IOC 13 MPe
05 CPU0 14 SIB1
06 CPU1 15 PS
07 CPU2 16 SIB2
08 CPU3
select(x:exit):
Summary of Contents for 7012 G Series
Page 1: ...7012 G Series Service Guide...
Page 6: ...vi Service Guide...
Page 10: ...x Service Guide...
Page 98: ...3 1520 8 Service Guide...
Page 183: ...7 2 Service Guide Covers and Chassis 4 8 9 2 3 1 18 7 14 15 12 13 10 11 16 17 5 6...
