Interface Description
R&S XU 4200
6.7
6166.5368.02.01
6.2.7
TX Audio Extended X7
DSUB male (15 pins)
Fig. 6.7
TX audio extended X7.
Entry in column D (direction):
O
= Output
I
= Input
B
= Bi-directional
Entry in column T (type):
A
= Analog
D
= Digital
P
= Power
Signal description
D T
Range
Contact
Remarks
+28 V
O P
X7.1
+28 V
O P
19 to 32 V
X7.2
DC supply for external
filter (external device)
Max. 2 A (peak 4 A)
protected PTC
Note:
Maximum current in
sum with X5.6, X10.6 and
X11.1/X11.2
GND B
P
Ground
X7.3
GND B
P
Ground
X7.4
/CARRIER
O D Low = carrier > 0.5 W
Open collector
Ri = 220
Ω
limited to max. 6.8 V
X7.5
Indicates that
RF antenna power
≥
approx. 500 mW
Corresponds to CARR
LED on front panel
/VSWR
O D Low = VSWR > 2
Open collector
Ri = 220
Ω
limited to max. 6.8 V
X7.6 Corresponds
to
VSWR
LED on front panel
/TX_INHIBIT I
D
Contact
against
ground (low) = inhibit
transmission
Internal pull-up 10 k
Ω
to 3.3 V, limited to
max. 6.8 V
X7.7
EXT_VSWR
I A 0 to 5 V
limited to max. 6.8 V
R
L
= 14 k
Ω
X7.8
Used e.g. for monitoring of
external RF detector
Generates CBIT warning
when the configurable
threshold voltage value is
exceeded during TX
GND B
P
Ground
X7.9
8
1
9
15
Summary of Contents for 4200 Series
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