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4. Connect the interface cable to the SPAN CPT7.
If RS-422 protocol is used for communication to the other system devices, connect the interface cable
(SPAN CPT7 I/O1 Cable (60723180)) to the IO1 port on the SPAN CPT7.
If RS-232 protocol, USB or Ethernet is used for communication to the other system devices, connect
the interface cable (SPAN CPT7 I/O2 Cable (60723181)) to the IO2 port on the SPAN CPT7.
If signals from both IO ports are needed, connect both interface cables to the SPAN CPT7.
See Table 1, SPAN CPT7 - Connector Definitions on page 2.
If using RS-232 protocol, the maximum data rate on the COM port is 230400 bit/s.
5. Connect a USB, COM or Ethernet port on the receiver to a USB, serial or Ethernet port on a computer.
If using a USB connection, install the USB drivers (refer to Connect to the SPAN CPT7 on page 5 to
obtain drivers).
If RS-232 protocol is required, use COM1 which is available on the IO2 port.
If RS-422 protocol is required, use COM2 which is available on the IO1 port.
6. Connect the power leads on the interface cable to a 9-32 VDC power supply capable of at least 18 W.
Power can be connected to either the IO1 or IO2 port.
Do not connect a power supply to both ports.
Ensure the VIN line is connected to the positive pole of the power source and the GND
line is connected to the negative pole of the power source.
Install a user supplied 8 A slow blow fuse in the positive line of the connection to the power source to
protect the power supply wiring and your warranty.
BK/MDA-8-R Fuse (or equivalent)
BK/MDL-8-R Fuse (or equivalent)
The fuse and holder are made by Cooper/Bussmann; available from Digikey.
4
Table 2: Fuse/Holder Recommendations 12 V System
Fuse
Holder
BK/HFA-R-R Fuse (or equivalent)
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