VCP-015-02-x Installation & Operation Manual
Document # 540228, Rev A, 05/2003
Page 9 of 18
4.3 Audio
Wires
All audio connections require 22 AWG, MINIMUM twisted, shielded cable
with the cable shields properly grounded at the source. Twisted shielded
pair cable shall be in accordance with
NEMA WC 27500
or equivalent.
4.4 Video
Wires
Composite video connections require shielded coaxial cable in
accordance with the military specifications of
M17/94-RG179
or
equivalent.
4.5
AI’s Proprietary RS-485 Data Bus
4.5.1 VCP-015-02-x
is designed to interface with other Audio
International equipment via AI’s proprietary RS-485 serial data bus.
The data bus shall
be implemented using a twisted shielded pair
cable in accordance with
NEMA WC 27500
or equivalent. The wire
size for the conductors in this cable shall
be 22 AWG, MINIMUM.
The shield shall
be connected everywhere a shield pin is provided.
Shield terminations shall be made as close to the connector pin as
possible.
4.5.2 All modules on AI’s proprietary RS-485 data bus shall
be connected
in a ‘daisy-chain’ configuration. AI’s proprietary RS-485 data bus
specification is available upon request.
5.0 Installation
Information
5.1
Refer to Section II, Subsection 9.0 for unit dimensions and attachment
points.
5.2
When mounting the unit, allow sufficient space for mating connectors.
5.3
Allow a MINIMUM of one (1) inch of air space around the unit to allow for
proper air circulation.
5.4 This unit has an internal fan and ventilation holes in the chassis for
cooling. Installation recommendation requires 1-inch spacing from other
components and structures except the mounting surface for which the unit
should be in direct contact.