Catacomm Corporation
Sdn Bhd

Unit E1-29-6, Block E1,
Dataran Prima, Jalan PJU 1/42,
47301 Petaling Jaya,
Selangor, Malaysia.
+603-7803 8228
+603-7803 8228

Port Powered ultra-high Speed RS-232 To RS-485 Interface Converter

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Port Powered ultra-high Speed RS-232 To RS-485 Interface Converter Serial Interface Converters Industrial Communication Products AD-Net
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AN-PP-RS-232-485/NH is a lightweighted, compact and robust port powered RS-232 to RS-485 Interface Converter. AN-PP-RS-232-485/NH has a DB9 female converter for RS-232 port, and 6 screw terminals connector or DB9 male connector for RS-428 differential input and output interface. AN-PP-RS-232-485 can convert TD and RD signals into balanced full duplex RS-422 signals.
Model AN-PP-RS-232-485/NH  is powered from RS-232 data TD or handshake lines. Unit will get the power from RTS or DTR (at least +5.5V or -5.5V).


  • DB9-S/P space saving connector.
  • RS-232C data interface fully compatible with PC.
  • DB9 connector & 4-bit terminal are optional to RS-485 interface.
  • Automatic direction control of transmitting data (TXD),zero-latency design.
  • Working mode: asynchronous half or full duplex.
  • High efficiency serial port electricity stealing technology, need no external power supply, real three line (TD, RD, GND) mode communication.
  • Communication speed: 0-460KBPS.
  • Transmission distance: 0-1200meter@24AWG.



Conforms to EIA RS-232C and RS-485 standards
DB-9 female connector on RS-232 side
DB-9 male connector or terminal block connector at RS-485 side
Data rate
300 TO 460 Kbit/s, up to 4,000 feet at 46,200 bps
Operating distance
Data rate(kbps): 46.0 19.2 9.6 4.8 2.4
Maximum distance (feet): 4,000 6,000 8,000 10,000 (24 AWG wire)

Ordering Information

Port powered RS-232 to RS-485 Interface Converter with ultra-high speed option.


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