Guntermann & Drunck ControlCenter-Digital-288 Installation And Operation Manual page 62

Status displays
LEDs at the IO card
Interface LED
Status Green
Fail rot
Portfunction Yellow Off
Ident. Blue
Dynamic Port Yellow On
Green
26 · G&D ControlCenter-Digital-288
Status Meaning
On IO card is ready for operation.
Blinking IO card is initialised.
On IO card is initialised or it does not react.
LEDs at the ports show the operating status (status
mode).
On LEDs at the ports show the configuration status (port
mode).
Blinking The card's firmware is checked.
On LED to identify the device in the web application is
active.
The card is plugged in at the turned on matrix switch.
The lever of the card is unlocked.
 Status mode:
A user is logged in at the user module or accesses the
target module.
 Port mode:
Port is configured to connect a module or a superior
(slave: master; sub slave: slave) matrix switch.
In the web application, this mode is called UP mode.
Off Port is not occupied.
On  Status mode:
Connection to user module or target module estab-
lished.
 Port mode:
Port is configured to connect a module or a subordinate
(master: slave; slave: sub slave) matrix switch.
In the web application, this mode is called DOWN mode.
Flickering Keyboard and mouse inputs are transmitted by the
accessing user module.
The rhythm of the flickering is defined by the user's
inputs.
Off No connection to user module or target module.