11850-029
R1.1, July 2021
eMCH (embedded MicroTCA Carrier Hub)
11
5.1 Front Panel and LEDs
The eMCH front panel consists of 4 status LEDs for the AMCs, and 2 LEDs (OK, FAIL) for the
system’s operation status. In addition to the LEDs, you can find sockets for a RJ45 plug and a
micro USB cable.
Figure 5: EMMC Front Panel
Table 2: EMCH front panel
- Note: When executing the bootloader, all LEDs will be put on.
OK
FAIL
1 2
AMC
3 4
Type
Function
LED AMC 1....AMC 4
Blink Short: Reading FRU information (M1)
Blink Slow: Waiting for HS-Handle being closed (M1)
ON: FRU operating state (M4)
OFF: No Module installed
LED OK
Blink Slow: -
Blink Short: Test Mode
ON: Normal operating status. No error
OFF:-
LED FAIL
Blink Slow: -
Blink Short: -
ON: Hard fault
OFF: -
Micro USB Type A
Used for virtual COM-Port. Direct connection to PC
RJ45 Gigabit-Ethernet
1000Base-T Uplink for remote control
