Rohde & Schwarz TLx9 Series - Page 75

R&S TLx9 Interface Description
R&S
®
TLx9
69System Manual 2506.5060.02 ─ 03
Table A-19: X83 - RF SWITCH: 15-pin Sub-D socket
Signal
Name/Descrip-
tion
Direc-
tion
Value range Connec-
tion point
Remarks
+12V_RFSW Output +12V ± 20 %
Loading current up to 120 mA
X83.1 This pin is protected by a
0.14 A PTC@23 °C
LOOP+ Output Opened Loop:
Loop+ to Loop- voltage is 12 V
± 10 %
Closed Loop:
Current is 2.5 mA ± 10 %
X83.2 Loop control output
STA-
TUS_POS1/2_ULI
NK
Input 3 states: OPEN / 0 V / 12 V X83.3 ULINK position detec-
tion:
OPEN for position open
0 V for position 2
12 V for position 1
CON-
TROL_SWITCH_
POS2
Output 0 V to 28 V X83.4 Open collector output:
1.25 W@25°C maximum
EXT_DOOR_CO
NTACT
Input
2 states: 0 V / 12 V X83.5 Connect to 0V_RFSW:
Door closed
Connect to 12V_RFSW:
Door open
COOLING_DL_1 Output X83.6 Relay controlled pins to
open/short dummy load
for antenna cooling
Maximum voltage
applied on these pins is
30 V ± 10 %
+12V Output +12 V ± 10 %
Loading current up to 2 A (100 ms)
X83.7 This pin is protected by a
1.5 A PTC@20 °C
0V_RFSW Output 0 V X83.8
LOOP- Input Opened Loop:
Loop+ to Loop- voltage is 12 V
± 10 %
Closed Loop:
Current is 2.5 mA ± 10 %
X83.9 Loop control input
STA-
TUS_POS1/2_SW
ITCH
Input 3 states: OPEN / 0 V / 12 V X83.10 RF Switch position
detection:
OPEN for position open
0 V for position 2
12 V for position 1
CON-
TROL_SWITCH_
POS1
Output 0 V to 28 V X83.11 Open collector output:
1.25 W@25°C maximum
Base unit and Exciter / GapFiller Board Interfaces