5. Each Component Function
BX-956S User’s manual
61
GPIO Connector: DIO
The product is equipped with an interface to which you can connect a remote switch and a GPIO device.
GPIO is not isolated.
Table 5.12. Serial Port Connector
Connector type
9-pin D-SUB (FEMALE)
Pin No
Signal name
Meaning
1
POWER
SW(+)
Remote power switch.
Cont and
–
performs the same
operation as in POWER SW.
2
POWER
SW(-)
3
GND
Ground
4
GPIO0
General-purpose I/O
Input and output can be selected
respectivly
5
GPIO1
6
GPIO2
7
GPIO3
8
GPIO4
9
GPIO5
Item
Spec
The number of I/O channel
6 (Input and output can be selected with the
BIOS settings.)
maximum rating
5VDC 5mA
Input section
Input format
Non-isolated 5VTTL level
(positive logic; with internal 3.3 V, 1 kΩ pull-
up)
Output section
Output format
Non-isolated open drain
(positive logic; with internal 3.3 V, 1 kΩ pull-
up)
Содержание BX-956SD-DC 781724
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