Media Conversion Solution
A52, A53
Entry-Level RS-232 to RS-422/485 Converters
Features
ADDC™ (Automatic Data Direction Control) RS-485 data control
Automatic baudrate detection
RS-422 hardward flow control: CTS, RTS signals
LED indicators for power and signal status
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RS-485 multidrop operation, up to 32 nodes
25 KV ESD surge protection
2 KV isolation protection (A53)
Built-in 120 Ω termination resistors
Media Converters
Introduction
The A52 and A53 are general RS-232 to RS-422/485 converters
designed for users who need to extend RS-232 transmission
distance and increase networking capability.
Specifications
Communications
Power
RS-232 Signals: Tx, Rx, DTR, DSR, RTS, CTS, DCD, GND (RJ45)
RS-422/485:
Supports RS-422, 2-wire RS-485 (DIP switch selectable)
Supports 4-wire RS-422, up to 10 nodes, 1.2 km with RTS, CTS
Supports 2-wire RS-485, up to 32 nodes, 1.2 km
RS-485 Data Direction Control: ADDC™
Surge Protection: 25 KV ESD
Isolation: 2 KV (A53), power/signal
Input Power Voltage: 9 to 30 VDC, 350 mA
Over Current Protection:
Protection against 2 signals shorted together
Power Consumption:
A52: 170 mA @ 9V
A53: 285 mA @ 9V
Environment
Operating Temperature: 0 to 55°C
Storage Temperature: -20 to 75°C
Humidity: 5 to 95% RH
Mechanical
Dimensions (W x D x H): 90 x 60 x 21 mm
Case: ABS
Weight: 85 ± 5 g
Regulatory Approvals
CE Class A, FCC Class A
Warranty: 5 years
Ordering Information
A52: RS-232 to RS-485 converter with 25 KV ESD surge protection
A53: RS-232 to RS-485 converter with 25 KV ESD surge protection & 2 KV isolation
A52/110V or A52/230V: A52 with 110V or 230V power adaptor
A53/110V or A53/230V: A53 with 110V or 230V power adaptor
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