American Dynamics MegaPower 3200 Specifications Page 9
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MEGAPOWER CPU 8200-0421-01, REV. E
INSTALLATION AND SERVICE GUIDE
7 of 34
AD RS-422 / RS-485 Protocol for Dome / PTZ Device
Direct Connection
Address range.............................................................1 to 100
Bit rate........................................................................4.8 Kbps
Network distance.................. 1km (3300ft) per cable segment
Maximum loads ..................................... 10 per cable segment
Cable segment repeaters..................................ADAC422D(P)
distribution panel,
and RS-422 junction box
Topology ......................................................Daisy Chain, Star
Transmission medium................................. Two twisted pairs
22AWG (0.326mm
2
)
polarized, shielded
Physical layer................................ RS-485, 4-wire, or RS-232
Data encoding ...................................Start bit and one stop bit
Link layer framing.................................. Asynchronous, 8 data
and 0 parity bits
Link layer channel ...................................................Full duplex
Collision avoidance .................................. Host primary polling
by selected MPCPU
Application protocol................................................ Proprietary
Secondary devices........................................................ Dome,
ADAC422D(P) distribution panel,
And RS-422 junction box
MPCPU Surge Protection
Ethernet Port .....................................10/100 Base-T transformer
SensorNet/Manchester Ports
Gas discharge tube impulse rated at:
DC breakdown voltage ..................................................90V
Insulation resistance ........................................... 10,000MΩ
Capacitance ............................................................ 2pf Max
8/20µs impulse discharge current ................................10kA
Ten 8/20µs impulses discharge current .........................5kA
Isolation transformer coupled...................................2000Vrms
PTC re-settable fuse protects transformer
Transient Voltage Suppressors (TVS):
Breakdown voltage.................................................7.6–9.3V
Peak current...................................................................40A
Capacitance ...............................................2000pF @ 1kHz
AD RS-422/RS-485 Dome/PTZ Device Direct
Connection
Transient Voltage Suppressors (TVS):
Breakdown voltage.................................................7.6–9.3v
Peak current .................................................................. 40A
Capacitance ...............................................2000pF @ 1kHz
Gas discharge tube impulse rated at:
DC breakdown voltage ...................................................90v
Insulation resistance............................................ 10,000MΩ
Capacitance ..........................................................2pF max.
8/20µs impulse discharge current ............................... 10kA
Ten 8/20µs impulses discharge current ........................ 5kA
RS-232 Com Ports
Transient Voltage Suppressors (TVS):
Breakdown voltage................................................ 7.6–9.3V
Peak current .................................................................. 40A
Capacitance ...............................................2000pF @ 1kHz
Gas discharge tube impulse rated at:
DC breakdown voltage .................................................. 90V
Insulation resistance............................................ 10,000MΩ
Capacitance ..........................................................2pF max.
8/20µs impulse discharge current ............................... 10kA
Ten 8/20µs impulses discharge current ........................ 5kA
AD Data Line Ports
Gas discharge tube impulse rated at:
DC breakdown voltage .................................................. 90V
Insulation resistance............................................ 10,000MΩ
Capacitance ..........................................................2pF max.
8/20µs impulse discharge current ............................... 10kA
Ten 8/20µs impulses discharge current ........................ 5kA
DC Power Input
Surge protection .......................................PTC resettable fuse
protects regulator
Transguard rated at
60V, 250A, 1.5 Joules
Gas discharge tube
impulse rated at 10kA
Allowable drop out:........................................................150ms
MPCPU Mechanical
Mounting.................... Designed for EIA-310-D and IEC 60297-1
standard 482.6mm (19in)
electronic racks
Dimensions (H x W x D) ........................ 44.5 x 481.6 x 304.8mm
(1.75 x 19 x 12in.)
Weight ....................................................................3.2kg (10 lbs)
MPCPU Environmental
Operating temperature .........................0° to 40°C (32° to 104°F)
Humidity.............................................. 0 to 95% relative humidity
(non-condensing)
- MegaPower 1
- Installation 4
- Front Panel (left to right) 5
- Rear Panel (left to right) 6
- Troubleshooting 7
- Specifications 8
- MPCPU Surge Protection 9
- MPCPU Mechanical 9
- MPCPU Environmental 9
- Declarations 10
- Appendix A: Hot Switch Setup 11
- DATA LINE 12
- EXT. SYNC 12
- 12 of 34 14
- 12Vdc @ 1.25A 14
- 16 of 34 18
- Off Off 19
- Switch 1 Switch 2 19
- Pin Description 21
- 2 24Vac 21
- 4 24Vac 21
- 20 of 34 22
- 21 of 34 23
- 22 of 34 24
- 24 of 34 26
- 25 of 34 27
- 26 of 34 28
- 28 of 34 30
- 29 of 34 31
- SITE 2 SITE 3 33
- Appendix K: Flip Cable 35
- Connections 35
- 34 of 34 36
- 8200-0421-01 E 38
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