Nordic ID SAMPO S2 User Manual page 9

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12VDC / 24 VDC supply
12VDC if the reader is powered via PoE and 24VDC if the reader is powered via external power supply.
The multipurpose GPIO connector can be accessed via DE15 connector located on rear panel of the
reader. Pin-out of the DE15 connector can be seen in Figure 2. Functions and electrical specification of
the GPIO connector can be found from
Table 3 and Table 4.
Figure 2 Pin-out of DE15 connector
Table 3 Signal of GPIO connector
PIN SIGNAL NAME
1 5V output
2 RS232 TX
3 RS232 RX
4
5 Output 0
6 Output 1
7 Output 2
8 Output 3
9
10
11
12
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Ground
V-
Input 0
Input 1
Input 2
Nordic ID Sampo S2 User Guide
DESCRIPTION
5V DC output, switchable on/off
RS232 output
RS232 input
Ground
Isolated output 0
Isolated output 1
Isolated output 2
Isolated output 3
Isolated ground for inputs and outputs
Isolated input 0
Isolated input 1
Isolated input 2
2018-01-19
Version 1.0
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