Due to maintenance work, W&T will be closed on 19.04.2024!

You can reach our technical hotline at:
+49 202/2680-110 or under the emergency number: +49 179/4317651

On Monday 22.04.2024 we will be available as usual.

W&T connects
Interfaces for TCP/IP, Ethernet, RS-232, RS-485, USB, 20mA, glass and plastic fiber optic cable, http, SNMP, OPC, Modbus TCP, I/O digital, I/O analog, ISA, PCI
Current manuals:

Fiber optic interfaces

Model 81009, 81025, 81026, 81029

Date Changes and comments Manual revision
November 3, 2021 Interface fiber optic cable <> RS232, all device revisions
  • Change to current layout
 1.60
PDF download
May 15, 2019 Interface fiber optic cable <> RS232, all device revisions
  • Note for use of POF in environments with high relative humidity
 1.50
PDF download
March 14, 2018 Interface fiber optic cable <> RS232, all device revisions
  • New layout / safety instructions added
 1.40
PDF download
9/6/2007 Interface fiber optic cable <> RS232, all device revisions
  • Specifications for transmission distance expanded
 1.30
PDF download
April 20, 2007 Interface fiber optic cable <> RS232, all device revisions
  • Tools for FO cable added
  • Article No. 81009-20 changed to 81029
 1.20
PDF download
August 12, 2005 Interface fiber optic cable <> RS232, all device revisions
  • Notes on maximum distance / baud rate depending
  • on the connected RS232 port added
 1.10
PDF download
December 18, 2002 Interface fiber optic cable <> RS232, all device revisions 1.00
PDF download