[BL] re: parallel port modem

sindi keesan keesan at sdf.lonestar.org
Sat Mar 26 12:19:40 EST 2005


ALL of my USR Sportster modems (which are 14.4, 28.8, 33.6 and 57.6K) are 
dated 1997 or earlier and they ALL have something that looks identical to 
a parallel port because it has 25 pins, but is really just the older style 
serial port.

The computers used to be made with just 25-pin serial ports, then one 
25-pin and one 9-pin, then two 9-pins (or sometimes just 1 9-pin).

We have modem cables for all these variations:
25 to 25 (these can also be used as printer extension cables if they have 
all their pings)
25 to 9
9 to 25
9 to 9

We have a couple that offer you a choice of 9 or 25 at one end, with 25 at 
the other.

So what you need is a modem cable that plugs into the 9-pin serial port on 
the computer (unless you have a 25-pin serial port there) and the 25-pin 
connector on the modem.  Or an adaptor for the modem to convert from 25 to 
9 pin so you can use a 9-to-9 pin modem cable.

Or an internal modem and free slot for it.


On Fri, 25 Mar 2005, James Miller wrote:

> On Fri, 25 Mar 2005, Joel wrote:
>
>> No, I'm sure it's parallel port. Or at least it is that many pins. We're
>> talking about the same thing right? Serial is the oblong plug with 10 pins
>> at most. Parallel has about 25.

Serial is 9 or 25 pins, parallel 25.  Some scsi connectors look exactly 
like parallel port (or 25-pin serial port).  Iomega zip drives come with 
that setup as do UMAX scanners.

>
> External modems often take a cable that has a DB 25 on the modem end, but
> a DB 10 on the end that plugs into the computer (that one plugging into a
> serial port, obviously). I don't claim to have seen all or even most
> external modems, but of those I've seen only one was not the kind that
> took a DB 25 to DB 10 null modem cable. That one was DB 10 on both ends.
>
> James
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keesan at sdf.lonestar.org
SDF Public Access UNIX System - http://sdf.lonestar.org



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