When connecting to a pan-tilt-zoom camera to a C-Series codec, what type of cable must be used for camera control?

A.	an Ethernet crossover cable (RJ45-to-RJ45)
B.	an Ethernet cable (RJ45-to-RJ45)
C.	a serial cable (DB25-to-DB9)
D.	a VISCA cable (DB9-to-RJ45)