iDoor module: 2-Ports Isolated RS-232 mPCIe, DB9

The PCM-24 series are categorized as communication modules from Advantech iDoor Technology. It includes Isolated / Non-Isolated RS-232/422/485 communication cards for automation control, Wi-Fi/3G/GPS/GSM/LTE wireless communication modules for data exchange during the management and machine level of automation application and PoE function for smart camera in detect inspection application of production. The iDoor Technology increases the flexibility to configure the required features for different application.
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  • Meets Advantech Standard iDoor Technology
  • PCI Express® Mini Card Specification Revision 1.2 compliant
  • Speeds up to 921.6 kbps for extremely fast data transmission
  • Supports any baud rate setting (50bps~921.6kbps)
  • Supports both Isolated & Non-Isolated Protection with 2/4 Ports RS-232/422/485
  • Supports Thin Client Panel Computers TPC-xx51 series
  • I/O address automatically assigned by PCIe plug & play
  • Operating systems supported: Windows 2000/XP/Vista/7, and Linux 2.4/2.6
  • OXPCIe952/OXPCIe954 UART with 128-byte FIFOs standard
  • Supports Embedded Automation PC UNO-2200/2300/2400 series
  • Supports Control DIN-Rail PC UNO-1200/1300/1400 series
  • Supports Control Cabinet PC UNO-3200/3300/3400 series
  • Supports Control Panel Computers TPC-xx81/xx82 series
Amplicon Middle East-Advantech-PCM-24D2R2-1
Bus Type

mini PCIe


CE, FCC class A


2 x Male DB9 for PCM-24D2xx
1 x Female DB37 for PCM-24D4xx


Module: 51 x 30 x 12.4 mm (2" x 1.18" x 0.49")
I/O Plate: 81 x 19.4 x 41 mm (3.19" x 0.76" x 1.61")


Data Bits : 5, 6, 7, 8
Data Signals : RS-232: TX, RX, RTS, CTS, DTR, DSR, DCD, DI, GND
RS-422: TX+, TX-, RX+, RX-, (PCM-24D4R4)
TX+, TX-, RX+, RX-, CTS+, CTS-, RTS+, RTS-
RS-485: Data+, Data-
FIFO : 4K bytes
Flow Control : RTS/CTS (PCM-24D4R4 not supported)
Parity : Odd/Even/Mark/Space/No Parity
Speed : 200 bps ~ 921.6 kbps (PCM-24D2R4 & PCM-24D4R4)
230.4 kbps (PCM-24D2R2 & PCM-24D4R2)
Stop Bits : 1/2 stop bits


Isolation Protection : 2,000 VDC
ESD Protection : 15 KV
EFT Protection : 2,500 V
Surge Protection : 1,000 VDC


OS Support : Microsoft® Windows® 7/10

Operating Temperature

-20 ~ 60°C (-4 ~ 140°F)

Storage Temperature

-40 ~ 85°C ( -40 ~ 185°F)

Operating Humidity

5-95% RH, non-condensing

Data Sheet

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