Procedure 15.41: MANUALLY TEST THE 48FR1 BACKUP UNIT
PROCEDURE
1.
At master control center (MCC), display Page
113
.
2.
Observing MCC display Page
113
, verify that SDL 0 is in service
ACT
.
3.
At any available telephone associated with the
5ESS
®
-2000 switch office, dial the telephone number for
DDD2.
Response:
Audible ring but no answer is heard.
4.
Using three way calling, a key set, or two telephones, while the call to DDD2 is ringing, place a second call to
DDD1.
Response:
When DDD1 trips, DDD2 should also trip.
5.
With DDD1 on hold, simultaneously press the
"#"
and
"0"
keys several times for a few seconds each time.
Response:
(a) A single tone should be heard from the touch-tone pad. (Newer pads may not generate a
single tone when two keys are pressed simultaneously).
(b) The red BU lamp on the 48FR1 comes on.
(c) Data (noise) is heard on the DDD1 connection.
(d) The
RD
lamp on the 2048A data set comes on each time the two touch-tone keys are
pressed.
(e) The
SD
lamp on the 2048A data set should be on steady.
6.
Release the DDD1 and DDD2 connections.
7.
STOP. YOU HAVE COMPLETED THIS PROCEDURE.
235-105-210
October 1999
Copyright © 1999
Page 1
Summary of Contents for 5ESS-2000
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Page 799: ...Figure 11 36 3 1 Cleaning Points 235 105 210 October 1999 Copyright 1999 Page 7 ...
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Page 1008: ...Figure 11 55 1 CTSNS DIP Switch Settings 235 105 210 October 1999 Copyright 1999 Page 2 ...
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Page 1289: ...Figure 15 17 2 AMATPS Data Link 235 105 210 October 1999 Copyright 1999 Page 2 ...
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Page 1360: ...Figure 15 47 2 Typical SCANS III Link Diagram 235 105 210 October 1999 Copyright 1999 Page 2 ...
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Page 1421: ...Table 1 1 O M Checklist 235 105 210 October 1999 Copyright 1999 Page 3 ...