Category : Various Text files
Archive   : CABLES.ZIP
Filename : DESIGN.HLP

 
Output of file : DESIGN.HLP contained in archive : CABLES.ZIP
CABLE DESIGN LEGEND: The diagrams should be interpreted as follows:

DEVICE-1 DEVICE-2 The cable is viewed from end to end, with the DEVICE-1
------------------ end to be connected to the port on DEVICE-1, and the
2 --------- 3 DEVICE-2 end connected to the port on DEVICE-2.
3 <-------- 2 In the example on the left, pin 20 at the DEVICE-1 end of
4 --|-----> 8 the cable should be connected straight through to pin 20
5 <-| of the DEVICE-2 end. Pin 2 at one end should be connected
20 --------- 20 to pin 3 at the other end. Pin 4 from DEVICE-1 should be
connected to pin 5 at the same end, as well as pin 8 at
the DEVICE-2 end of the cable.
SPECIAL NOTE: If a straight through cable has been designed(pins 1--1, 2--2,
3--3, 4--4, 5--5,...etc., not all pins in the design are necessary. This
design is given for completeness. A general rule is: if the lead is not
present in both DEVICE 1 & 2's ports, there is no need to include it. Yet
a flat/ribbon cable with all 25 leads should be used for ease & completeness.
MODEMS TO COMPUTERS: The straight through cable includes connecting pins 22,
Ring Indicator, at both ends. Unless a modem is being connected to a DEVICE,
these pins are probably not needed. In the case of an IBM AT to modem cable,
connect pin 9 at the AT end to pin 22 at the modem end of the cable.
SYNCHRONOUS CONNECTIONS: Ignore Pins 15, 17, & 24 of a straight through cable
unless it is being designed to connect a device and modem for synchronous
communication.
.....PRESS ANY KEY TO CONTINUE


  3 Responses to “Category : Various Text files
Archive   : CABLES.ZIP
Filename : DESIGN.HLP

  1. Very nice! Thank you for this wonderful archive. I wonder why I found it only now. Long live the BBS file archives!

  2. This is so awesome! 😀 I’d be cool if you could download an entire archive of this at once, though.

  3. But one thing that puzzles me is the “mtswslnkmcjklsdlsbdmMICROSOFT” string. There is an article about it here. It is definitely worth a read: http://www.os2museum.com/wp/mtswslnk/