Replacing an NPU1 C with an NPU1 D
• The port has no bandwidth policing. See Configuring Quality of Service,
Reference [19].
• The port has no RSTP or MSTP enabled. See Configuring Spanning
Tree, Reference [20].
• The port has no MAC white list connected. See Configuring Ethernet
Security and Admission Control, Reference [21].
• The port is not member of any mirror connection. See Performance
Management Operations, Reference [22].
2. Delete any Layer 1 connections to the NPU1 C, see Configuring an
Ethernet Layer 1 Connection, Reference [23].
3. Press the BR button gently and release it. This action is a request to
change the status of the NPU1 C to Out of Service and all traffic-related
alarms are disabled.
Note: Press the BR button before removing the NPU1 C, even if the
Power (green) LED is OFF.
6148b
Power
BR
OFF
ON
Flashing
LED
Symbols
4. Wait until the BR (yellow) LED is ON. This takes up to 60 seconds.
5. If the LED is not ON within 60 seconds, press and release the BR button
again. Wait another 60 seconds and if the LED is still not ON, move on to
the next step anyway.
6. Disconnect all cables and SFPs, undo the screws on the latches, and
remove the NPU within 90 seconds.
9
107/1543-HRA 901 20-V11 Uen B | 2015-12-01
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