Ocean Optics QE65 Pro - Manual (Page 28)

B: Specifications
22 220-12200-000-02-201303
30-Pin Accessory Connector Pinout Diagram
When facing the 30-pin Accessory Connector on the front of the vertical wall of the QE65 Pro, pin
numbering is as follows:
USB
Port
2 4 6 8 10 12 14 16 18 20 22 24 26 28 30
1 3 5 7 9 11 13 15 17 19 21 23 25 27 29
30-Pin Accessory Connector Pinout Diagram
30-Pin Accessory Connector – Pin Definitions and
Descriptions
The following table contains information regarding the function of each pin in the QE65 Pro’s 30-Pin
Accessory Connector:
Pin
#
Function Input/Output Description
1 RS232 Rx Input RS232 receive signal – Communicates with a PC over DB9 Pin 3
2 RS232 Tx Output RS232 transmit signal – Communicates with a PC over DB9 Pin 2
3 GPIO (2) Input/Output
General purpose software-programmable, digital input/output
(channel number)
4 N/A N/A Reserved
5 Ground Input/Output Ground
6 I
2
C SCL Input/Output I
2
C clock signal for communication to other I
2
C peripherals
7 GPIO (0) Input/Output
General purpose software-programmable, digital input/output
(channel number)
8 I
2
C SDA Input/Output I
2
C data signal for communication to other I
2
C peripherals
9 GPIO (1) Input/Output
General purpose software-programmable, digital input/output
(channel number)
10
Ext. Trigger
In
Input
TTL input trigger signal -- See External Triggering Options
document for info
11 GPIO (3) Input/Output
General purpose software-programmable, digital input/output
(channel number)
12 V
CC
or 5V
IN
Input or
Output
Input power pin for QE65 Pro – When operating via USB, this pin
can power other peripherals – Ensure that peripherals comply with
USB specifications (no TEC power)