Interface Description R&S XU 4200
6.11 6166.5368.02.01
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
AUDIO_RX_B O A
0 dBm ± 1.5 dB
into 600
–30 to +10 dBm
settable via software
300 to 3400 Hz
600 ±15 % balanced
RX-ALC switchable
for modulation depth
30 to 90 %
X10.3
Audio transformer min.
500 V isolation to ground
/TEST_OC O D Low = no error
Open collector =
request for
main/standby
switchover
Open collector
Ri = 10
limited to max. 6.8 V
X10.4 TEST_OC signal
generated by NOGO logic
on backplane
GND B P X10.5
V_OP_SW O P 0 V/19 to 32 V
Inactive: 0 V
Active: 19 to 32 V
Switched supply
Reverse current safe
X10.6 Operational voltage
switched
Max. 1 A for external
antenna relays
Note: Maximum current in
sum with X5.6, X7.1/X7.2,
and X11.1/X11.2
Corresponds to VOP LED
on front panel
*OFF I D Low (external contact
against ground)
= device off
High (or open) = on
Internal pull-up 10 k
to 3.3 V, limited to
max. 6.8 V
X10.7 Hardware input for
activating/deactivating
transceiver module
SQ+ O D X10.8
SQ−
O D
Relays contact
between SQ+ and
SQ−
Closed = RX signal
level above
SQ threshold
Open = no RX signal
max. 0.2 A
X10.9
Differential voltage over
68 V between SQ+ and
SQ− will be clipped
Corresponds to SQ LED
on front panel
AF_TX_INBAND_B I A (Reserved) X10.10 (Reserved)
RX Audio Exte nded X11\ RX Audio Extende d X11 "Radio".do c
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