Audio International, Inc
.
RCP-201-01-x Installation & Operation Manual
Document # 540204, Rev IR, 1/2001
Page 10 of 19
4.4 AI’s Proprietary RS-485 Data Bus
4.4.1 The RCP-201-01-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 the standard military specification of
MIL-DTL-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.
4.4.2 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 Physical Characteristics
5.1
Refer to Section II, 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.
