Speedway Reader IPJ-R1000 for UHF Gen 2 RFID
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2.2. Speedway Reader I/O Ports & Status
Refer to Figure 2-1 for the Speedway reader's major ports, connectors, and status indicators, which are clearly indicated on the
unit. The Speedway reader is equipped with the following ports:
•
RJ-45 Ethernet port (labeled 10/100 BASE-T)
•
Four female RP-TNC RF antenna connectors (ANT1 – ANT4)
•
Female DB-9 connector for serial communication (SERIAL)
•
Female DB-25 connector with user I/O capability (GPIO) The GPIO contains: RS-232 serial interface, four 3.3/5V
logic inputs, and eight 3.3V logic outputs. See Table 2-2 for the pin-out, Table 2-3 for the GPIO electrical
specifications, and Figure 2-2 for the physical pin view.
Figure 2-1 Impinj Speedway Reader Port Connections
Table 2-2 DB-25 Connector Pin-Out
Pin
I/O
Pin
I/O
Pin
I/O
1 No
connect 10 GPIN3 19
GPOUT5
2
RS-232 RXD
11
GPIN2
20
No connect
3 RS-232
TXD
12 GPIN1 21
GPOUT6
4
RS-232 CTS
13
GPIN0
22
No connect
5 RS-232
RTS
14 GPOUT0
23
GPOUT7
6
No connect
15
GPOUT1
24
No connect
7 Signal
Ground
16 GPOUT2
25 No
connect
8 No
connect 17 GPOUT3
9 No
connect 18 GPOUT4
Caution
Pins listed in Table 1-2 as “No connect” must be left unconnected.
Mounting
Holes
RJ-45
Ethernet Jack
DB-9 Serial
Port
DB-25
GPIO Port
Power
Supply Input
RP-TNC RF Antenna
Connectors
Status
LEDs