All pins are wired through, including pin 9. This cable is manufactured with sturdy metal hoods. Plenum rated for over the ceiling type installations. For Male to Female cables, see L1329-PL. For cables that have the audio wire integrated in, see L13271-PL.
(Variation SKUs L1327-PL, L1327-PL-10, L1327-PL-100, L1327-PL-15, L1327-PL-25, L1327-PL-35, L1327-PL-40, L1327-PL-50, and L1327-PL-75)