Keysight U2741A Guide D'utilisation page 25

Instrument Configuration
55-Pin backplane connector pin configuration
The 55-pin backplane connector is used when the U2741A module is inserted into
the U2781A USB modular instrument chassis. For more details, refer to the
Keysight U2781A USB Modular Instrument Chassis User's Guide.
GND GND
NC NC
GND TRIG3
TRIG4 GND
nBPUB CLK10M
NC NC
11 10
Figure 1-1
Table 1-1 SSI connector pin description
SSI timing signal
GND
NC
VBUS
USB_D+, USB_D–
TRIG0~TRIG7
+12 V
nBPUB
Keysight U2741A User's Guide
GND GND GND
NC NC NC
GND TRIG2 ND
TRIG5 GND TRIG6
GND STAR_TRIG GA2
NC NC NC
9 8 7
55-pin backplane connector pin configuration
GND GND GND
NC NC NC
TRIG1 GND TRIG0
GND TRIG7 GND
GA1 GA0 NC
NC NC NC
6 5 4
Functionality
Ground
Not connected
USB bus power sensing input
USB differential pair
Trigger bus
+12 V power with 4 A current
USB backplane input detect
Getting Started
GND GND GND
VBUS GND USB_D–
GND GND USB_D+
+12 V +12 V GND
+12 V +12 V +12 V
+12 V +12 V +12 V
3 2 1
1
F
E
D
C
B
A
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