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248083440-1 Rev 5 4-1
4 Communications
This chapter contains information regarding how to set up
communications to program and communicate with the
ApexPortable
instrument.
General Table 4-1 lists the Communication Port (COMM Port) RJ45 pinouts.
Prevent accidental damage to Ethernet hardware: do NOT connect the
COMM port to Ethernet equipment, such as network switches, hubs
and the like.
To connect the instrument to a computer using USB-to-RS232 cable:
1. Remove power from the instrument.
2. Connect the RJ45 end of a USB-to-RS232 or RS485 cable to the
RS485 RJ45 connect port on the instrument.
3. Connect the USB end of the cable to any computer USB Port.
Table 4-1 COMM Port RJ45 Pinouts
RJ45 Pin Signal Name
1 RS232-TX (Output)
2 RS232 RX (Input)
3 RESERVED for future use
4 RS485B
5 RS485A
6 RESERVED for future use
7 RESERVED for future use
8 Ground
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