Chapter 9 Connecting the cables to the BCM50 system 117Installation and Maintenance Guide3 Select the appropriate option for your system:• If you add more auxiliary equipment, proceed to Connecting an external paging system onpage 114 or Connecting an auxiliary ringer on page 114.• When you finish adding auxiliary equipment, proceed to Next step on page 118.To connect the cables to the wiring field card (optional)1 Plug the RJ-21 end of the cable assembly into the RJ-21 telephony connector.The cable is now permanently connected to the RJ-21 telephony connector.2 Remove the terminal block from the WFC:a Slide a small flat screwdriver into the rectangular opening at the back of the terminalblock.b Pry the terminal block so the top rotates forward and the block comes free.Make the connections to the terminal block while it is removed from the header.3 Use a small slotted screwdriver to unscrew the wire hole screws on top of the terminal block.4 Insert the bare wire ends (6 mm or 0.25 in.) in the appropriate holes on the sides of theterminal block.5 Tighten the screws to hold the wires in place.6 Reinstall the terminal block on the header of the WFC.7 Connect the remaining wires (digital telephones, analog telephones, and analog trunks) to theWFC.The eight-pin modular jacks on the WFC accept RJ-45 or RJ-11 modular plugs.8 Connect cables to the main unit as required.To connect the cables to the patch panel (optional)1 Plug the RJ-21 end of the cable assembly into the RJ-21 telephony connector.2 Plug the other end of the cable assembly into the patch panel header.The cable locks in place.3 Remove the terminal block from the patch panel:a Slide a small flat screwdriver into the rectangular opening at the back of the terminalblock.b Pry the terminal block so the top rotates forward and the block comes free.Make the connections to the terminal block while it is removed from the header.Tip: You can adjust the background music volume at every telephone.
