Maintenance-Object Repair Procedures
555-233-143
8-596 Issue 1 May 2002
Table 8-240. System Technician-Demanded Tests: DS1-BD
Order of Investigation
Short Test
Sequence
Long Test
Sequence
Reset
Board
Sequence
test
ds1-loop
Command D/ND
1
1. D = Destructive, ND = Non-destructive
NPE Connection Audit test (#50) X ND
Control Channel Loop test (#52) X ND
Loss of Signal Alarm Inquiry test
(#138)
XX ND
Blue Alarm Inquiry test (#139) X X ND
Red Alarm Inquiry test (#140) X X ND
Yellow Alarm Inquiry test (#141) X X ND
Major Alarm Inquiry test (#142) X X ND
Minor Alarm Inquiry test (#143) X X ND
Slip Alarm Inquiry test (#144) X X ND
Misframe Alarm Inquiry test (#145) X X ND
Translation Update test (#146) X X ND
ICSU Status LEDs test (#1227) X X ND
SAKI Sanity test (#53) X D
Internal Looparound test (#135) X D
DS1/CSU Loopback tests X D
DS1 Board Loo-back test (#1209) X D
CSU Equipment Loopback test
(#1210) X D
CSU Repeater Loopback test
(#1211)
XD
CPE Loop-Back Jack test (#1212) X D
Far CSU Loopback test (#1213) X D
One-Way Span test (#1214) X D
Inject Single Bit Error (#1215) X D
End Loopback/Span test (#1216) X D
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