Installation Guide

Table Of Contents
3-42
3dB, the transmission distance of SYV-75-5C is no more than 200 m (656.168 ft), and that of
SYV-75-7C is no more than 300 m (984.252 ft). For more information about cable length that an
encoder supports, see the actual specifications of the product.
BNC interface is generally used to connect with video interface.
Figure 3-2 BNC Cable
(1) Connect to the ground of the device.
(2) Connect to video cable.
Audio Cable
Audio cables are usually made from 4-core shielded cable (PVVP) or unshielded digital
communication cables. A larger section surface is required, for example, 0.5 mm
2
. It is recommended
that you use shielded audio cables and the maximum cable length is 100 m (328.08 ft.). Commonly
used audio cables include RCA general audio cables and ordinary coaxial cables.
3.5 mm interface is usually used for audio interface.
Figure 3-3 Audio Interface Description
(1)
(2)
Ground
Left channel
Right channel
Connection for mic plug
Connection for earphone (loudspeaker box)