Complex sentence: As an example, a physical facility would include a panel, rack and port, while a virtual facility may be a channel on a channelized circuit, such as a T1 on a previously engineered DS3.
Split into simpler sentences: As an example, a physical facility would include a panel, rack and port. While a virtual facility may be a channel on a channelized circuit, such as a T1 on a previously engineered DS3.