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Cisco ONS 15310-CL and Cisco ONS 15310-MA Ethernet Card Software Feature and Configuration Guide R8.5
78-18133-01
Chapter 5 Configuring POS on the ML-Series Card
Configuring the POS Interface
Scrambling on the ONS 15310-CL and ONS 15310-MA ML-Series card is on by default and is not
configurable. The C2 byte is not configurable. CRC-under-HDLC framing is restricted to 32-bit and is
not configurable. CRC-under-GFP-F is restricted to 32-bit, but can be enabled (default) and disabled.
Note ML-Series card POS interfaces normally send PDI-P to the far end when the POS link goes down or RPR
wraps. ML-Series card POS interfaces do not send PDI-P to the far end when PDI-P is detected, when
RDI-P is being sent to the far end, or when the only defects detected are GFP LFD, GFP CSF,
VCAT LOM, or VCAT SQM.
Configuring POS Interface Framing Mode
You can configure framing mode on an ML-100T-8 card through Cisco IOS. You cannot configure
framing mode through CTC on the ML-100T-8 card.
Framing mode can be changed on a port by port basis. The user does not need to delete the existing
circuits or reboot the ML-100T-8 card. On the ONS 15454 or ONS 15454 SDH ML-Series cards, the
circuits must be deleted and the card must reboot for the framing mode to change.
To configure framing mode for the ML-Series card, perform the following steps, beginning in global
configuration mode:
Command Purpose
Step 1
Router(config)# interface pos
number
Activates interface configuration mode to
configure the POS interface.
Step 2
Router(config-if)# shutdown
Manually shuts down the interface. Encapsulation
and framing mode changes on POS ports are
allowed only when the interface is shut down
(ADMIN_DOWN).