Svantek SVAN 958A - Page 229

229
SVAN 958A User Manual
Table C.8.6. Pin-out of the USB-Host connector
Pin number
USB
1
Vbus
2
D-
3
D+
4
GND
Shield
Ground
Real-time clock
Built-in real time clock. Accuracy better than 1 minute / month.
Weight with the battery: 510 grams (without accelerometer. cable and microphone preamplifier).
Dimensions: 44
x
84
x
145 mm (without accelerometer. cable and microphone preamplifier)
RS 232 interface (optional)
The RS 232 interface option for the SVAN 958A is provided by means of the SV 55 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 analyser with the speed from 300 bit/s to 115200 bit/s.
The SV 55 must be connected to the SVAN 958A USB Host port and proper operation of this port has to be
set-up in the instrument’s SETUP Menu before!
Below, the SV 55 - DB 09 F - pin female connector pin-out is given.
Table C.8.7. SV 55 interface description
PC RS 232,
9 - pin connector
Signal name
SV 55 connector
(DB 09 F)
Pin number
1 – LSD
1 (not connected)
2 – RXD
3
3 – TXD
2
4 – DTR
6 connected to pin 4
5 – GND
5
6 – DSR
4 connected to pin 6
7 – RTS
8
8 – CTS
7
9 – GND
9 (not connected)