Incoming Inspection Test
B-16
ST2400A SDH Test Set User Manual
FERF Alarm
In this part, the transmitter creates a FERF alarm and you verify the responses of the receiver. There are
eight steps in this section of the procedure.
1.
On the transmitter side of the front panel, press ALARM until the display shows the FERF-L menu.
2.
Using the LEFT/RIGHT cursors, select 2.5SEC.
3.
Using the INC key, increase the time until it switches to CONT and then press ENTER.
4.
On the display, observe that the top right corner now says “*ACTIVE”.
5.
In the 2.4Gb/s STATUS section, observe that the error light for RDI/FERF is now lit.
6.
Using the LEFT/RIGHT cursors, select OFF and then press ENTER.
7.
In the 2.4Gb/s STATUS section, observe that the error light for RDI/FERF is now off.
8.
On the front panel, press RUN/STOP twice to clear all errors.
AIS Alarm
In this part, the transmitter creates an AIS alarm and you verify the responses of the receiver. There are
eleven steps in this section of the procedure.
1.
On the transmitter side of the front panel, press ALARM until the display shows the LINE-AIS menu.
2.
Using the LEFT/RIGHT cursors, select 2.5SEC.
3.
Using the INC key, increase the time until it switches to CONT and then press ENTER.
4.
On the display, observe that the top right corner now says “*ACTIVE”.
5.
In the 2.4Gb/s STATUS section, observe that the error lights for REI/FEBE and AIS are now lit.
6.
On the receiver side of the front panel, press ERROR until the display shows RS FEBE-L on the top
line.
7.
On the display, observe that FEBE-L is actively counting errors.
8.
On the transmitter side of the front panel, press ALARM until the display shows the LINE-AIS menu.
9.
Using the LEFT/RIGHT cursors, select OFF and then press ENTER.
10.
In the 2.4Gb/s STATUS section, observe that the error lights for REI/FEBE and AIS are now off.
11.
On the front panel, press RUN/STOP twice to clear all errors.
Summary of Contents for ST2400A
Page 7: ...ST2400A SDH Test Set User Manual vii Index I 1...
Page 12: ...General Safety Summary xii ST2400A SDH Test Set User Manual...
Page 13: ...Getting Started...
Page 14: ......
Page 24: ...Operating Basics...
Page 25: ......
Page 44: ...Reference...
Page 45: ......
Page 94: ...Reference ST2400A SDH Test Set User Manual 3 49...
Page 95: ...Appendices...
Page 96: ......
Page 113: ...Specifications SDH ST2400A SDH Test Set User Manual A 17...
Page 134: ...Factory Defaults C 4 ST2400A SDH Test Set User Manual...