Siemens Maxum II Reference Manual page 39

Description
LED10 Heartbeat
LED11 Fault
PCI Slot LEDs
Located between PCI slots
Description
LED14 Slot 0 Fault
LED13 Slot 1 Fault
LED18 Slot 2 Fault
LED12 Slot 3 Fault
Internal Ethernet LEDs
Located next to and on SIB3 RJ-45 connector
Description
Green LED on RJ-45
Yellow LED on RJ-45
LED1 Speed
Maxum II Reference Manual
Manual, 7/2017, 2000596-001
Electronic Compartment Component Descriptions and Maintenance Procedures
Color and Meaning
Green – Flashes once for each heartbeat message transmitted. This LED will flash once
every 1.5 seconds for each active CAN card
Red – On when an error state is detected on the CAN bus hardware
Color and Meaning
Red – Overcurrent or thermal shutdown on PCI slot 0
Red – Overcurrent or thermal shutdown on PCI slot 1
Red – Overcurrent or thermal shutdown on PCI slot 2
Red – Overcurrent or thermal shutdown on PCI slot 3
Color and Meaning
Green – LED is green when link is in full duplex mode
Yellow – LED is on when link is active. Will flash off for transmit or receive activity.
Green –
On – Speed is 100 Mb/sec (or auto-negotiating)
Off – Speed is 10 Mb/sec (or disconnected)
2.3 System Controller Version 2.1 (SYSCON2.1)
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