Commissioning
R&S
®
TS-PWA3
43
User Manual 1157.8143.12 ─ 17
Figure 4-3: Inner and Internal Cabling Variants
1 = Analog bus
2 = PXI Trigger Bus
3 = Cabling of R&S modules to rear connectors
These various cabling options provide a number of benefits:
●
Separating the adapter side (front) from the infeed of external devices (rear) cre-
ates a clear signal concept with no cross-wiring outside the case.
●
Wiring is kept safe from inadvertent changes.
●
The simple inner cabling concept means that modules can be quickly replaced dur-
ing servicing. Bus connections are used instead of cable connections.
●
System-specific connectors (e.g. D-sub) can be installed at the rear, from where
signals are connected to the analog bus or the adapter interface. HF signals can
also be carried in this way, for example.
4.5.2
Analog Bus
The analog bus is available at all slots of the R&S TS-PWA3 with its own backplane.
Access for plug-in modules is implemented by connectors X1 ... X16 at the various
slots and is described in
on page 15. The following are
available
●
8 bus-structured lines
for user-defined signal paths up to max. 125 VDC (1 A)
between ROHDE & SCHWARZ- specific plug-in modules.
Only the Rohde & Schwarz plug-in modules use the analog bus directly. However
external access to the analog bus is possible using the analog bus connector at the
back of the unit.
Cabling
