UTC RETAIL 2170 Betriebsanweisung PDF herunterladen (Seite 6)

COM Ports

There are 4 COM ports on the 2170; they are standard RS-232.The COM3 and COM4 ports

have been configured to supply +5VDC power to pin 9 of their DB9 connector. COM3 and

COM4 may supply up to 0.5A of current; do not exceed this limit.

Note: COM3 and COM4 may also be configured for pin 9 to be RI (ring indicator) or to

supply +12V 0.5A. This configuration must be performed at the UTC RETAIL facility.

The table below summarizes the RS232 DB9 pin definitions:

PIN NO.

Signal CD RX TX DTR GND DSR RTS CTS

RI or 5V/12V

output

(as

explained

above)

Use the supplied RJ48 – DB9 adapter cables to connect to the COM ports. Additional cables

are available as P/N 11801015. See the drawing below for the adapter’s pinout.

Figure 1, Serial Port Adapter Pinout

1 2 3 4 5 6 7 8 9

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UTC RETAIL 2170 Betriebsanweisung Seite 6