Опции (рекомендованные модули SFP и прочее)
DEM-210, DEM-211, DEM-220R, DEM-220T, DEM-302-LX, DEM-302S-BXD, DEM-302S-BXU, DEM-302S-LX, DEM-310GT, DEM-311GT, DEM-312GT2, DEM-314GT, DEM-315GT, DEM-330R, DEM-330T, DEM-330T v.A1, DEM-331R, DEM-331R / 20KM/ DD/ E1A, DEM-331R / D1A v.D1, DEM-331R v.A1, DEM-331R v.B2, DEM-331T, DEM-331T / 20KM/ DD/ E1A, DEM-331T / D1A v.D1, DEM-331T v.A1, DEM-331T v.B2
