Svantek SV 971A User Manual

SV 971A User Manual – Appendixes
257
The USB-C interface can work as external power source for the meter.
USB-C socket (external view)
Table C.4.3. Pin-out of the USB-C device connector
Contact no.
Signal
name
Description
A1
B1
GND
Ground return
A2
B2
SSTXp1
not used
A3
B3
SSTXn1
not used
A4
B4
V
BUS
Bus power (5VDC ±0.5V)
A5
B5
CC1
Configuration channel (5.1kΩ to ground as UFP
receiver)
A6
B6
Dp1
USB 2.0 differential pair, position 1, positive
A7
B7
Dn1
USB 2.0 differential pair, position 1, negative
A8
B8
SBU1
not used
A9
B9
V
BUS
Bus power (5VDC ±0.5V)
A10
B10
SSRXn2
not used
A11
B11
SSRXp2
not used
A12
B12
GND
Ground return
RS 232 interface (optional)
The RS 232 interface option for SV 971A is provided by means of the SP 75 interface. It conforms to the EIA
Standard RS 232C. It enables the user to programme remotely all instrument functions and the transmissions
to and from the meter with the speed from 300 bit/s to 115200 bit/s.
Note: The SP 75 interface must be connected to the SV 971A USB port and proper operation
of this port has to be set-up in the instrument’s SETUP Menu before!
The SP 75 - DB 09 F - pin female connector pin-out is given below.

Svantek SV 971A Specifications

General

Brand	Svantek
Model	SV 971A
Category	Measuring Instruments
Language	English