User manual
AXIS P7224
Hardware overview
Pin Assignments for RS-485 Connector - AXIS Q7900 Rack
Pin
AXIS P7224
Description
1
RS-485A
2
RS-485B
A half-duplex RS-485 interf ace for controlling auxiliary equipment e.g. PTZ devices.
3–12
Not used
LED indicators
LED
Color
Indication
Green Steady green for no rmal operation.
Amber
Steady during startup and when restoring settings.
Status
Red
Slow flash for failed upgrade.
Green
Normal operation.
Power
Amber
Flashes green/amber during firmware upgrade.
Note
• The Status LED can be configured to be unlit du ring normal operation. To configure, go to Setup > System Options >
Ports & Devices > LED. See the online help for more i nformation.
• The Status LED can be configured to flash while an event is active.
• The Status LED can be configured to flash for identifying the unit. This can be done under Setup > System Options >
Maintenance.
6