46
Installation MSP30/32/40/42 and MSM20/22/24/40/42/46/50
Release
12
06/2018
1.8.6 MSM50 media modules
1.8.7 MSM24 I/O module
LED Display Color Activity Meaning
Power Supply voltage — none Media module is inoperative
green Lights up Voltage supply to the media module is on
Mode Device Status green Lights up The media module is connected to the
Gigabit Ethernet slot.
L/D Link status — none Device detects an invalid or missing link
green Lights up Device detects a valid link
Flashes 1
time a
period
Port is switched to stand-by
Flashes 3
times a
period
Port is switched off
yellow Lights up Device detects a non-supported SFP
transceiver or a non-supported data rate
Flashing Device is transmitting and/or receiving data
Flashes 1
time a
period
Device detects at least one unauthorized
MAC address (Port Security Violation)
Table 33: Device status and port status for MSM50 media modules
LED Display Color Activity Meaning
Power Supply voltage — none The I/O module is not operating.
green Lights up The voltage supply to the I/O module is
on.
AUX Device Status — none The auxiliary supply voltage is not on or is
too low.
green Lights up The auxiliary supply voltage is on.
Table 34: Device status and I/O status for MSM24 I/O module
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