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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.
A53 Series: 2 kV
ADDC® (automatic data direction control)
RS-232, RS-422, RS-485
TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND
Tx+, Tx-, Rx+, Rx-, RTS+, RTS-, CTS+, CTS-, GND
Tx+, Tx-, Rx+, Rx-, GND
Data+, Data-, GND
A52 Series: 170 mA @ 9 VDCA53 Series: 195 mA @ 9 VDC
9 to 30 VDC
Power input jack
90 x 60 x 21 mm (3.54 x 2.36 x 0.83 in)
85 g (0.19 lb)
0 to 55°C (32 to 131°F)
-20 to 75°C (-4 to 167°F)
5 to 95% (non-condensing)
CISPR 32, FCC Part 15B Class A
IEC 61000-4-2 ESD: Contact: 4 kV; Air: 8 kV IEC 61000-4-3 RS: 80 MHz to 1 GHz: 3 V/m IEC 61000-4-4 EFT: Power: 1 kV; Signal: 0.5 kV IEC 61000-4-5 Surge: Power: 1 kV IEC 61000-4-6 CS: 150 kHz to 80 MHz: 3 V/m; Signal: 3 V/m IEC 61000-4-8 PFMF
IEC 60068-2-1 IEC 60068-2-14 IEC 60068-2-2 IEC 60068-2-3
EN 60950-1, IEC 60950-1
Telcordia (Bellcore), GB