Chapter 9 Connecting the cables to the BCM50 system 111BCM50 Installation and Maintenance Guide3 Select the appropriate option for your system:• If you are adding more auxiliary equipment, proceed to “Connecting an external pagingsystem” on page 108 or “Connecting an auxiliary ringer” on page 107.• If you are finished adding auxiliary equipment, proceed to “Next step” on page 112.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 such that the top rotates forward and the block comes free.You 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 (¼” or 6mm) in the appropriate holes on the sides of the terminalblock.5 Tighten the screws to hold the wires in place.6 Re-install the terminal block on the header of the WFC.7 Connect the remaining wires (digital telephones, analog telephones, and analog trunks) to theWFC.The 8-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 such that the top rotates forward and the block comes free.You make the connections to the terminal block while it is removed from the header.4 Use a small slotted screwdriver to unscrew the wire hole screws on top of the terminal block.5 Insert the bare wire ends (¼” or 6mm) in the appropriate holes on the sides of the terminalblock.