Rohde & Schwarz TLx9 Series - Option Board Interfaces; LAN Switch

R&S TLx9 Interface Description
R&S
®
TLx9
70System Manual 2506.5060.02 ─ 03
Signal
Name/Descrip-
tion
Direc-
tion
Value range Connec-
tion point
Remarks
OVER_VOLTAGE Input 2 states: 0 V / 12 V X83.12 Connect to 0V_RFSW is
OK
Connect to 12V_RFSW
is Over V
oltage
GND Bidirec-
tional
0 V X83.13
MAS
COOLING_DL_2 Output Maximum short current is 1 A
± 10 %
X83.14 Relay controlled pins to
open / short dummy load
for antenna cooling
Maximum voltage
applied on these pins is
30 V ± 10 %
EXT_SWITCH-
OVER
Input 2 states: 0 V / 12 V X83.15 Connect to 0V_RFSW is
Switched Over
Connect to 12V_RFSW
is Not Switched Over.
A.2 Option Board Interfaces
A.2.1 LAN Switch
Table A-20: X50 - LAN1: 8-pin RJ-45 socket
Signal
Name/Description
Direction Value range Connection
point
Remarks
BI_DA+ Bidirectional V
odif
f
= 670 to 820 mV
ss
X50.1
BI_DA- Bidirectional
V
idiff
= 750 mV
ss
typ.
X50.2
BI_DB+ Bidirectional V
odif
f
= 670 to 820 mV
ss
X50.3
BI_DB- Bidirectional
V
idiff
= 750 mV
ss
typ.
X50.4
BI_DC+ Bidirectional V
odif
f
= 670 to 820 mV
ss
X50.5
BI_DC- Bidirectional
V
idif
f
= 750 mV
ss
typ.
X50.6
BI_DD+ Bidirectional V
odiff
= 670 to 820 mV
ss
X50.7
BI_DD- Bidirectional
V
idif
f
= 750 mV
ss
typ.
X50.8
Option Board Interfaces