Add support for Comtrol RocketPort 550 PCi models: 4 RJ45, 4 Quadcable, 8 RJ11, 8 Octacable, and 8 (used with RocketPort I/F box).
Add support for Comtrol RocketPort 550 PCi models: 4 RJ45, 4 Quadcable,
8 RJ11, 8 Octacable, and 8 (used with RocketPort I/F box).

Note:	untested due to lack of hardware

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