CHAPTER3 Physical Description
Mediant 1000 Gateway & E-SBC | Hardware Installation Manual
Table 3-9: CRMX Module LED Description
Item # LED Name Color State Description
1 0/1, 0/2, 0/3 Green On Ethernet link established.
Flashing Data is being received or
transmitted.
- Off No Ethernet link.
2 0/0 or STATUS
(Applicable only
to CRMX with
Dry-Contact
Relays or
covered WAN
port)
Red On Reset button has been pressed.
Flashing ■ Under-voltage condition on
CRMX module.
■ Booting up phase (U-boot) of
the operating system kernel
has completed successfully.
Note: When ordered with dry-
contact relay interfaces, the LED
label is STATUS. For devices
without dry-contact relay
interfaces and with a covered
WAN port, the label is WAN (even
though WAN port interface is not
supported).
Green On Dry-contact relay alarm states. For
more information, see Connecting
a Dry-Contact Relay Alarm
System.
Note: When ordered with dry-
contact relay interfaces, the LED
label is STATUS.
Orange On
Red On
- Off
SWX LAN Expansion Module
The SWX LAN Expansion module provides additional LAN Ethernet interfaces.
Ports Description
The SWX LAN Expansion module provides four 10/100/1000Base-T Ethernet LAN ports. The
ports support port-pair (1+1) redundancy, where one port can serve as the active port and the
other the redundant (for more information, see Connecting to LAN with Port-Pair Redundancy).
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