Tx Audio Extended X7; Fig. 6.7 Tx Audio Extended X7 - R&S 4200 Series Operating Manual

Interface Description
6.2.7

TX Audio Extended X7

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