Rohde & Schwarz 6144.7800.02, Руководство по эксплуатации

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Interface Description R&S EU4200C
6.5 6174.8456.02-01
6.2.5 RX Audio Basic X10
10 pins modular jack
Fig. 6.5 RX audio basic X10.
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
AF_TX_INBAND_A I A (Reserved) X10.1 (Reserved)
AUDIO_RX_A O A Nominal
0 dBm ± 1.5 dB
into 600 Ω
–30 to +10 dBm
settable via software
300 to 3400 Hz
600 Ω ±15 % balanced
RX-ALC switchable
for modulation depth
30 to 90 %
X10.2 For 60 % AM modulation
depth
Audio transformer min.
500 V isolation to ground
AUDIO_RX_B O A X10.3
/TEST_OC O D Low = no error
Open collector =
request for
main/standby
switchover
Open collector
Ri = 10 Ω
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. 0.7 A for external
antenna relays
Note:
Maximum current in
sum with X11.1/X11.2
Corresponds to Vop LED
on front panel
1
10