DVD-201-01(-02, -03)-x Installation & Operation Manual
Document # 540211, Rev C, 05/2002
Page 10 of 24
4.4
AI’s Proprietary RS-485 Data Bus
4.4.1 The DVD-201-01(-02, -03)-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.
4.5 Digital Audio Lines
All digital audio wiring shall be 100/140
µ
m (core/cladding) multi-mode
fiber optic cabling. All fiber optic connectors/couplers shall use ceramic
ferrules to minimize adverse reflection effects. BRAND-REX P/N:
OC-1011 or equivalent fiber optic cabling shall be used for all digital audio
wiring.
4.6 Analog
Audio
Lines
All analog audio wiring shall be 22 AWG (MINIMUM) twisted, shielded
cable in accordance with the standard military specification of
MIL-DTL-27500
or equivalent unless otherwise specified.
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.
