This attribute specifies whether tandem pass through is desired. If
tandemPassThrough is enabled, tandem pass through is used if
possible. If tandemPassThrough is disabled, tandem pass through is
not used under any circumstances.
The negotiated tandem pass through is available in
negotiatedTandemPassThrough.
The actual state of tandem pass through is available in tptStatus.
tandemPassThrough can be set to enabled only if the
tandemPassThrough feature exists in the featureList of the Sw Lpt.