Description
2016-02-29
37
3.7.7 Status Upgrade Module USB 2.0 V2
The upgrade module USB 2.0 is fitted with a multi color LED on both sides
for overall status indication and with two further LEDs on the back side for
indication of the connection status.
CPU Module
CON Module
Rear View
Rear View
Pos. LED
Status
Description
Off Connection
available
1, 4
Failure LED
(green)
On or
Flashing
Connection failure (flashing for about
20 s following a connection failure)
Off No
connection
via
interconnect cable
2, 5
Status LED
(green)
On Connection
available
Off
No USB 2.0 device connected
6
Status LED
(green)
Flashing
slowly
USB 2.0 device connected
Off
No connection to source (computer,
CPU) available
Flashing
slowly
Connection to source (computer,
CPU) available
No USB 2.0 device connected
7
Status LED
(green)
On
Connection to source (computer,
CPU) available
USB 2.0 device(s) connected
Off
No connection between CON and CPU
module
9
Status LED
(green)
On
Connection between CON and CPU
module available
