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Dial-up and Broadband

I've talked before about my reluctance to get involved with home users. There are several factors at play here - for one, home users are most apt to have detestable Windows as their operating system. That's enough to turn me off right there.



Title Last Comment
Dial-up and Broadband  
- dial-up Earthlink with Verizon Broadband. Back when DSL was all the rage, we'd have to put DSL filters on any modem or fax lines -

Don't use internal Modems  
- Why you should never use internal modems on servers -

winmodem: Tech Words the Day  
- A traditional hardware modem really is two major parts: the modulator/demodulator (hence 'modem') which translates the buzzes and hisses to bits and vice versa, and the 'personality': the hardware and software that lets you type AT commands, does error checking and all the rest. -

POTS  
- Plain Old Telephone Service. This acronym has been in use for quite a while, almost before there really was much else other than plain old telephone service. POTS is circuit based, and of course the newer concept is packets. -

Device::SerialPort on Redhat 8  
- Since each building has a T1 router, I wrote a small program to log the routers messages to a text file. While performing these upgrades, I ran into some small trouble with my code, which relies on the perl module: "Device::SerialPort". -

Vacation mail faster thgan at home?  
- How could dial-up mail be faster than cable access? That makes no sense..1 -

Kermit 95 2.1.3   2011/03/31 TonyLawrence
- This is a review of an ancient terminal emulation product and is only left here for historical purposes. -

Log Serial Port Data to a Specified Logfile   2013/03/29 TonyLawrence
- I wrote this script to capture log data from our T1 routers for debugging purposes. -

RS232 Wiring Diagrams  
- Color coded diagram for understanding RS232 EIA-232 Wiring pinouts printers, terminals and modems. DB9 and DB25. -

PPP and DNS Configuration  
- This is an old article about SCO Unix PPP and is only left here for historical purposes. -

Setting up High Speed Modems  
- This is about configuring modems on SCO Unix and is only left here for historical purposes. -

(SCO Unix)Where do I get zmodem?   2013/08/13 TonyLawrence
- zmodem is an old file transfer protocol. This is an old article about SCO Unix and is only left here for historical purposes. -

(SCO Unix)Why can't I get my dialin modem to work above 9600 baud?  
- (SCO Unix) Because you need the modem speed in /etc/inittab to match the DTE rate that the modem is set for. -

(SCO Unix)Will a Winmodem work?  
- This is an old article about Winmodem usage on SCO Unix and is only left here for historical purposes. -

(SCO Unix)What special considerations are there regarding my Telebit modem?  
- (SCO Unix) This is an old article about Telebit modems and is only left here for historical purposes. -

(SCO Unix)How do I get better UUCP throughput?  
- This is an old article about UUCP throughput on SCO Unix and is only left here for historical purposes. -

modem doesn't answer -->Re cu and uucp  
- A modem that doesn't answer at all may not have any getty running on it to assert DTR. If you don't see DTR, it isn't going to answer -

Unhappy Modems  
- This is an extremely old article about using RS232 modems for Internet access and is only left here for historical purposes. -

 
 











 
 















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