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Maintenance Object Repair Procedures
555-233-123 10-1366 Issue 4 May 2002
PR-MAINT (Maintenance Processor
[TN2404/TN790 RISC Systems])
The TN2404/TN790 Processor circuit pack is comprised of the RISC Processor
(PROCR), the Maintenance Processor (PR-MAINT), and the Memory (PR-MEM).
PR-MAINT is responsible for monitoring the sanity of the RISC Processor.
PR-MAINT contains the hardware required for controlling the environmental
conditions. The Maintenance/Tape Processor provides the serial interfaces for the
administration terminal and DCE port. The Maintenance Processor also provides
the communications interface to INADS for alarm reporting and remote
maintenance capability. INADS connectivity is through the internal or external
modem. The external modem is connected to the DCE port. When the external
modem is the administered modem option the internal modem is disabled.
The TN2404/TN790 has a higher speed 9600 baud internal modem or can
support an external modem connected to the DCE port.
Error Log Entries and Test to Clear Values
MO Name (in
Alarm Log)
Alarm
Level Initial Command to Run Full Name of MO
PR-MAINT MIN
1
1 Alarms on the PROCR and PR-MAINT maintenance objects are indicated by the red
LED on the Processor circuit pack.
test processor a/b sh/l Maintenance Processor
Table 10-505. PR-MAINT Error Log Entries
Error
Type
Aux
Data Associated Test
Alarm
Level
On/Off
Board Test to Clear Value
1
0
2
0 Any Any Any test processor a/b sh r 1
1(a) Any MTP Reset Test (#101) MIN ON test processor a/b l r 3
257(b) Any MTP Sanity Handshake
Test (#106) test processor a/b r 2
513(c) Any MTP Analog Loop Around
Test (#103) MIN ON test processor a/b r 8
769(d) Any MTP Dual Port Ram Test
(#104) MIN ON test processor a/b l r 3
1025(e) Any MTP Outpulse Relay Test
(#102) MIN OFF test processor a/b r 5
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