ABB XIO-04 - Page 18

18 | XIO USER MANUAL | 2106424MNAB
DANGER – Serious damage to health / risk to life. Explosion Hazard: Do not connect or
disconnect connectors or their terminations while energized unless the area is known to be non-
hazardous.
The configured interface type and the distance between the XIO and the connected external device
determine maximum serial communication speed. The supported port speed ranges from 2,400 bps to
115,200 bps.
XIO COM LEDs (XIO-04 and XIO-08 only)
There are two kinds of COM LED on the front of the XIO device.
– COM LEDs
– STATUS LEDs
Figure 2-6: COM LEDs
Legend: COM LEDs
LED
ON
OFF
1
Port Enabled
Port Disabled
2
Port Power Output ON
Port Power Output OFF
3
Port TXD Activity
4
Port RXD Activity
Communications Port Group STATUS LEDs (XIO-04 and XIO-08 only)
During normal operation, LEDs 1-3 should be ON and LED 4 should be OFF.
Figure 2-7: STATUS LEDs