Tour of the Extension Module
R&S
®
OSP
‑
B157W8
(PLUS)
R&S
®
OSP
‑
B157WX
39
Getting Started 1178.5808.02 ─ 03
automatically adapted to the supply voltage. To turn the power on or off, put
the AC power switch into position I (on) or 0 (off).
Table 5-1: External connectors overview of the R&S
OSP-B157WX
Panel Label
Direction Signal
Type
Value range
Front
DUT1 ..
. DUT8
BiDir
Device under test, channel
1 to 8, max. 30
dBm
RF K-Type
1 GHz to 40 GHz
Front
OUT1 ..
. OUT8
BiDir
Forwarding DUT1 to 8 to
the base module
RF SMA
1 GHz to 6 GHz
Front
X1
BiDir
Companion device (from
the base module)
RF SMA
1 GHz to 6 GHz
Front
Rx
Out
Spectrum analyzer / test
receiver
RF SMA
1 GHz to 40 GHz
Front
RxOUT In
Spectrum analyzer / test
receiver (from the base
module)
RF SMA
1 GHz to 6 GHz
Front
USB (2x, only R&S
OSP120)
disabled
Front
MONITOR DIGITAL
(only R&S OSP120)
disabled
Rear
LAN
BiDir
Ethernet
Digital RJ45
Rear
CAN
disabled
Note that
"RxOUT"
is - in spite of its name - an
input port
for signals com-
ing from the "Rx" port of the R&S
OSP-B157W8 or R&S
OSP-
B157W8PLUS base module. The label "RxOUT" was chosen due to the
connection with the Rx output port of the base module.
Connecting Devices and a Base Module to the Extension Module