Easy to use
DIP switch for disconnecting and connecting signal (easy to connect external cables/props)
Branch too high signal
Red for low signal
RS232 8 signals DCD, RXD, TXD,, DTR, DSR, RTS, CTS, RI.

Single-Mode Fiber (Multi-Mode optional)
1-Channel Duplex Rs485
Point-to-Point or Daisy-Chain (M485-FIBER-SR is needed)
DC input 5V (< 3W)
Operating tempeture: -45 C~+75 C
Up to to 115.2Kbps data rate

Single-Mode Fiber (Multi-Mode optional)
1-Channel Duplex Rs485
Point-to-Point or Daisy-Chain (M485-FIBER-ST is needed)
DC input 5V (< 3W)
Operating tempeture: -45 C~+75 C
Up to to 115.2Kbps data rate

DB9 male connector
1200 to 230400 baud
Supply 5 to 24 volts via USB or screw terminals
Detachable WiFi antenna
USB Adapter cable included

Transparent Wireless RS232 or RS485 link with 2 pcs.
Programmable with DIP- and Rotary switches
433 MHz Radio Frequency
16 RF Channels
0dBi Omni antenna
Baud Rates from 1200 to 115200 bps
Includes a PA switch that can be used to enhance the RF power
Wireless line of sight (LOS) transmission range of up to 500 meters at an RF Baud Rate of 9600 bps
RS232 (RX/TX/GND) and RS485 (2-wire) interfaces
N81, E81, O81
DIN-Rail
Temperatures, -25 - +75°C
TX power: 10dBm to 19dBm
Supply: 10 - 30VDC / 1Watt
Dim: 107 x 83 x 33 mm

Wireless Com Port - Can Peer-to-Peer connection
IEEE 802.11 a/b/g/n
2.4 GHz, 5 GHz Dual Band
1 Port RS232 or RS422 or 2-wire RS485
Max.Baud Rate: 921.6 Kbps
Operating temperature: -40 - +85°C
with COM Port Re-Director, TestView
± 15KV IEC ESD protection
Supply voltage: 5 - 12VDC / 2W
infrastructure, Soft AP, Roaming
sWifi config Mobile App for Android

Supports 2 different Baud Rates on port 1 and port 2

3 x RS485 ports

Supports Modbus RTU/ASCII protocol

Supports 2 Master devices sharing 1 slave port

Data cache for each master port

RAW data mode for most request-response protocols

Built-in web server for easy configuration (HTTP)

Redundant Power Input: POE (IEEE 802.3AF, Class 1) and DC Jack

Allows automatic RS-485 management control

Tiny Form-Factor and Low Power Consumption

Read cache ensures faster response

Extend the distance between PC and RS232 Equipment
Straight through network cable
RS232 serial port boost up to 1.2 km
Baud rate range: 300 - 200kbps
Supply voltage: DC9-24V (not included )
Optical isolation
isolation voltage: 2500Vrms pulse or 500 V = continuous
Dimensions: 100 mm x 50 mm x 20 mm
Weight: 350 g

Radio link for serial transmission on the 2.4GHz band

One to one (P2P) or one to many (P2M)

Range up to 700 meters with whip antenna

Range is improved with Panel antenna

Serial port: RS232 or RS485

Supply and COM port are with screw terminals

5dBi omni-antenna: R/SMA female connector (external thread and pin)

Simple setup with rotary and DIP switches

2.4GHz, 16 channels

Supply 10 to 30 VDC

Dimensions: W 33 x H 108 x D 84 mm

Operating temperature: -25 - +75°C

Housing: Plastic

2-port RS-422/485 with Surge & Isolation, Universal PCI Card Simple Type: MULTIFUNCTIONAL I/O

Sunix 8139SI

2 ports Mechanical COM port switch, DB9 female / male
1 x DB9 female - I / O
2 x DB9 male - A and B
signal direction (I / O to A or B or A or B to I / O)
All 9 connections Switches
Good quality, but recommended for test use only
120 x 90 x 30mm

4 x RS485/422 COM ports over fiber, fiber network
Extender over fiber with 4 x RS422 / 485
1 x 100 Mbit fiber
Screw terminal block (5 pole)
SFP slot for 100mbit Multi Mode LC Fiber
62 x 50 x 120 mm
Display 3 LEDs Displays TX / RX, Network and System Status
Supply 9 - 32 VDC (not supplied)

UHF 433 MHz RS-232 adapter

RS-232 konfigureres via COM port

1 to 1 tilslutning

1 to N broadcast 

Op til 200 meter

2.4GHz Omni directional antenna - dipole
for pipe montage
N-female connector
1 meter RG58 Coax cable
1 pc. RSMA - Male included
Weight: 1.4KG
Length: 45 cm
Diameter: 35mm

1 meters kabel til SER8PCI-K+ med 8 x DB9

Expands 8 independent RS-232 serial port with communication speeds up to 115.2Kbps.

High reliability SUN1999 16C950 compatible UART controller on-board.

Compliance with PCI 33MHz Ver. 3.0/2.3/2.2./2.1 specification.

Supports both 64-bit & 32-bit PCI bus slot and 3.3V & 5V power.

On-chip hardware auto flow control to guarantee no data loss.

Built-in ± 2KV ESD protection for all serial signals.

Plug-n-Play, I/O address and IRQ assigned by BIOS.

Certified by CE, FCC, RoHS, and Microsoft WHQL approval.

Support Microsoft Windows, Linux, and DOS.

Windows ClientXP / Vista / 7 / 8.x / 10 (X86/X64) / 11Windows Server2003 / 2008 / 2012 / 2016 / 2019 / 2022 (X64)Windows EmbeddedXP Embedded / POSReady 2009 / POSReady / Embedded System 2009LinuxLinux 2.x / 3.x / 4.x / 5.x / 6.xDOSDOS*UNIXFreeBSD / QNX / SCO OpenServer / SCO UnixWare / Solaris*IBM OS/2WARP 3/WARP 4

REMAINDER SALE

Serial card JetCard1208L
PCI - Low oh high backplane
8 x RS232
Up to Win 7 (32bit)

8 RS232 serielle porte, 3.3 og 5 V PCI bus

Serielkort universal PCI, høj + lav bagpl. 128 bytes FIFO

Serial card for universal PCI, low backplane Universal PCI 3.3 / 5.0V
1x RS232
UART 16550 (16 Byte FIFO)
Speed 921 kbps
PCI Plug and Play
Drivers for Windows 95 for Win 7 / 2008 R2
Software compatible with DOS, Windows 3.11, OS/2, Linux and various. Unix