Specifications

B: HR4000 Specifications
210-00000-000-02-201502 19
30-Pin Accessory Connector Pinout
The HR4000 features a 30-pin Accessory Connector, located on the side of the unit as shown:
Location of HR4000 30-Pin Accessory Connector
30-Pin Accessory Connector Pinout Diagram
When facing the 30-pin Accessory Connector on the front of the vertical wall of the HR4000, 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 HR4000’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 V5_SW Output Regulated 5 Volt power pin – Supplies 50 mA (maximum)
5 Ground Input/Output Ground
30-Pin Connector