HP 6600 Command Reference Manual page 270

[Sysname-E-Cpos2/0/0] using oc-3c
# Configure the 155 Mbps channel OC-3 1 on 622 Mbps E-CPOS interface E-CPOS 2/0/0 to operate
in concatenated mode.
<Sysname> system-view
[Sysname] controller e-cpos2/0/0
[Sysname-E-Cpos2/0/0] oc-3 1
[Sysname-E-Cpos2/0/0-oc-3-1] using oc-3c
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