Product introduction
ADM-2813 is a USB to serial port adapter that extends 1-Port RS-232/422/485 serial ports through the USB interface of a notebook or workstation. USB technology has the plug and play characteristics, and can easily realize serial expansion.ADM-2813 has design plan of photoelectric isolation for industrial standard, are suitable for industrial environment.
Product specification
Model:                                        ADM-2813
Functions:                                  USB to 1-Port RS-232/422/485/TTL Adapter
Up Interface:                             1-Port USB
Down Interface:                         1-Port RS-232/422/485/TTL
USB
Core chip:                                  FT232RL
Standard:                                   USB1.0/ 1.1 compatible USB 2.0
Interface:                                   B type USB interface
Rate:                                         12 Mbps (full speed USB)
Serial Port
Data rate:                                  300 to 115200 Bps
Data bits:                                   5, 6, 7, 8
Stop bits:                                   1, 1.5, 2
Parity bit:                                    None, Even, Odd, Space, Mark
Isolation voltage:                        Isolation voltage 1.5KV，600W Surge protection
RS-232 distance:                       10 meters (Max)
RS-485/422 distance:                1000 meters (Max)
RS-485/422 protection:              15KV ESD Protection
RS-485/422 load capacity:          32 nodes (Max)
power supply method:                USB interface power supply, no need for external power supply
Operation mode:                        Full duplex / half duplex, automatic flow direction
Operation system:                      Windows CE, Mac OS, Linux 2.4Win98/ME/2000/Server2003/XP/WinVista/
                                                     Win7/Win8/Win10, 32bit/64bit/Windows CE/ Mac OS,/Linux 2.4 or above
Working temperature:                -20 ~ 75 ℃
Storage temperature:                 -20 ~ 85 ℃
Working humidity:                      0 ~ 90% RH
Shape size:                                (L x W x H) 114x72x34mm

Interface definition

Symbol	Definition	Symbol	Definition
USB	USB Interface	GND	5VTTL(GND)
T/R+	RS-485+ /RS-422TX+	IN	5VTTL (Input)
T/R-	RS-485- /RS-422TX-	OUT	5VTTL (Output)
RXD+	RS-422 RX+	GND	RS-232(GND)
RXD-	RS-422 RX-	RXD	RS-232(RXD)
		TXD	RS-232(TXD)

Dimension drawing (mm)