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Functions
R&S
®
OSP
199
User Manual 1178.7100.02 ─ 05
Module Check
Enables or disables checking for any hardware module changes when starting the
switch unit.
Note:
At startup, the firmware always checks the available hardware modules. But only
if the "Module Check" function is enabled, it checks whether the currently available
modules differ from the previously available modules.
If a difference is detected, the firmware displays information in the "Other Messages"
section of the
Module
added
, for example:
●
The modules of this frame changed:
Number of modules changed from 2 to 3
New module on M04: OSP-B128.3, 1505.4734.13, 101057/000
Module
moved
, for example:
●
The modules of this frame changed:
Removed module from M05: OSP-B102, 1505.5201.02, 100002/000
New module on M10: OSP-B102, 1505.5201.02, 100002/000
Module
removed
, for example:
●
The modules of this frame changed:
Number of modules changed from 3 to 2
Removed module from M04: OSP-B103, 1505.5301.02, 100011/002
Compatibility Mode
Enables or disables backward compatibility of remote-control commands to previous
R&S
OSP models (OSP1xx). When enabled, the "Status Information" screen displays
the words "(Compatibility Mode)" behind the "Device Type".
The switch units R&S
OSP220/230/320 are mechanically and electrically fully compati-
ble with all legacy standard hardware modules and new modules. The firmware is also
compatible with all these modules. However, the following
limitations in compatibility
apply:
●
In an interconnection setup, you cannot mix legacy switch units with new switch
units. Differences in communication prevent a combination of the two generations:
The legacy switch units were interconnected by a CAN-bus system, while the new
switch units are interconnected via Ethernet (LAN).
●
Consequently, also the commands for configuring an interconnection setup of new
switch units differ from the commands for the legacy units.
●
The new firmware addresses the modules in a switch unit via the module bus con-
nectors
M01
to
M16
.
–
In
setting
commands, the firmware alternatively accepts addressing the mod-
ules by
A11
,
A12
or
A13
, according to the 3 module bus connectors in a legacy
switch unit.
–
In
query
commands, the firmware per default returns module numbers in
Mxx
format. However, you can enable the "Compatibility Mode" (by this checkbox or
by the remote command) to let the firmware return module numbers in
A1x
for-
mat, according to the legacy syntax.
The legacy units have 3 module bus connectors, only. Therefore, module numbers
beyond A11, A12 and A13 make no sense, although the new module bus connec-
tors count up to M16. The equivalence of module buses M01 to M03 with legacy
module numbers A11 to A13 is also shown in the "Module Operation" dialog:
Configuration