RS-232 Communication

• Connection between the computer and the VC-485.
• Max 100’.
• Use cable included with the VC-485. (10’).

Power cable

• Power from a KT-300 to VC-485.
• Use 2 conductors, 22 AWG.
• Max 75’.

RS-485 Communication

• Connection between the computer and the controllers.
• Max 4000’.
• Use CAT3 cable, 22 AWG.

Door

• Reader wire: 6 conductors, twisted, 22 AWG non shielded (io-Prox) Max 1000’.
• Reader wire: 6 conductors, twisted, shielded, 22 AWG (Other readers) Max 500’.
• Door Lock: 2 conductors, 18 AWG, unshielded, Max 500’.
• Rex: 4 conductors, solid, 22 AWG, Maximum 2000’.
• Door Contact: 2 conductors, solid, 22 AWG, Max 2000’.