Siemens T100 Terminal with Paper Tape - Available

No, it's 5 bit tape.? 2 data bits, transport sprocket holes, 3 data bits -- top to bottom on the reader (right side), left to right on the punch (left side). DEC PDP-10 systems used six bit code internally but I don't remember those appearing on punched tape.? The punched tape machines I have seen with 6 channels are typesetting devices, from early tape operated Linotype machines (1940s vintage) to 1960s or 1970s era phototypesetters.? Those are upper/lower case. ????paul > On Dec 8, 2021, at 2:23 PM, Mike Katz <bitwiz at 12bitsbest.com> wrote: > > I thought I had recalled that Baudot was 5 bits but the paper tape > is 6 bits across and I don't know of any 6 bit character codes > except for DECs upper case only character set and even their paper > tape had 8 bits so I guessed Baudot. > > On 12/8/2021 1:16 PM, Paul Koning wrote: >> 5 bit; if it really were 6 bits it would typically be typesetting >> codes. >> >> That's a relative of the machine used as console terminal on Dutch >> Electrologica X8 computers; I recognize the "Iron cross" symbol, >> the figures shift character on the D key. But some of the other >> function codes have different labels so it isn't actually the same >> model. >> >> The description I have says that the X8 console used CCITT-2, >> a.k.a., Baudot, code but with the bit order reversed.? And also >> that it used the all-zeroes code as a printable character rather >> than as non-printing fill. >> >> ????paul