630 System Manual
Version 1.1 December 14, 2010
16
Serial ports
The 630 unit has four external RS232 serial ports, two of which can be powered; COM3
and COM4. The serial ports use a ten pin RJ45 connector. The unit comes standard with
two serial cables, three RJ45 to DB9 adapter cables and a 5 foot RJ45 to DB25 serial
printer cable that works with EPSON and EPSON compatible printers. Additional cable
adaptors can be order from J2.
Both serial (COM) ports 3 and 4 can be BIOS enabled to provide power to external
devices. The J2 630 is shipped standard with serial 3 & 4 strapped to 12V to pin
9 of the DB9 connector if enabled in the BIOS.
Serial ports 3 and 4 can have jumpers set to select for 12 volts or +5 volts. J2
does not recommend using +5 volts devices if it can be avoided, as it is quite easy to
damage a +5 volt device by plugging it into a port sup12 volts. Most all serial
scanners are available in the + 12 volt version. If a +5 volt device is used, it is
recommended that it is clearly marked as such. The maximum current is 500ma and is
over-current protected.
Port
Voltage
JP18
COM3
+5V
1 3 4 7
2 4 6 8
* +12V
1 3 4 7
2 4 6 8
COM4
+5V
1 3 4 7
2 4 6 8
* +12V
1 3 4 7
2 4 6 8
* Factory D12 V
JP18 Location
PIN 1
Summary of Contents for 630
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