1260-100X User Manual
Racal Instruments
©
2005
Maintenance 4-3
12. Send
a
*IDN?
command to DEVICE_3
(Option-01T).
13. Read the response from the Option-01T. Verify
that the response is of the form:
14. Racal
Instruments,1260A
Option-01T,<serial
num>,<revision>
15. where
<serial num>
is the serial number, and
<revision>
is the revision level of the firmware.
16. Click on the Bus Access feature of VIC. Select
the WRITE mode.
17. Calculate the address offset of one of the Adapt-
a-Switch plug-ins. To do this, begin with the
address reported by RESMAN as being the
starting address for DEVICE_3. Add 1. Then
add 400
16
times the module address of the plug-
in. Enter this address into the ADDRESS field in
VIC.
18. Select the A24 address mode.
19. In the data field, enter 55
16
. Click on GO. If the
plug-in is a relay type (not a digital type), you
should hear the relays close.
20. Select the READ mode, set the number of bytes
to at least 1, and click on GO. Verify that the
Option-01T responds with AA
16
, which is the
one’s compliment of the data written.
21. In the data field, enter AA
16
. Click on GO. If the
plug-in is a relay type (not a digital type), you
should hear the relays open.
22. Select the READ mode, set the number of bytes
to at least 1, and click on GO. Verify that the
Option-01T responds with 55
16
, which is the one’s
compliment of the data written.
23. Repeat steps 12 through 17 for each of the
remaining plug-ins.
24. Turn the chassis power switch off.
25. If fewer plug-ins are available than the number of