VCP-010-06(-07)-x Installation & Operation Manual
Document # 540236, Rev IR, 11/2002
Page 11 of 21
4.5
AI’s Proprietary RS-485 Data Bus
4.5.1 The VCP-010-06(-07)-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 as required. 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 Physical Characteristics
5.1 Refer to Section I, 5.0 for unit dimensions and Section II, 9.0 for
attachment points.
5.2 When mounting the unit, allow sufficient space for mating connectors.
5.3
DO NOT
insert any screw more than 0.25" into the case. Mounting holes
on the unit provide multiple anchoring points. These threaded inserts do
not have physical stops. Care should be taken not to penetrate the outer
casing more than 0.25" with any screw. This could result in serious
damage to the video cassette player.
6.0 Electrical Characteristics
6.1 Electrical
Specifications:
Electrical
Power
1A @ +28 VDC
Operating Voltage
Range
+18 to +32 VDC
Data Bus Type
AI Proprietary RS-485
Audio Frequency
Response
200 Hz to 8 kHz
Audio S/N
>37 dB (NOMINAL)
Video Output
1 V
(p-p)
into 75
Ω
Playback Format
PAL & NTSC (auto detect)
Video Output
NTSC, PAL (selectable)
Video Heads
4
Infrared Signal Input
+5 VDC digital logic level
