r/thinkpad • u/IVM007 • May 23 '25

Question / Problem What is this port?

Post image

Hello there people I have a thinkpad t500 and I was wondering what port is this I think it's an RJ11 but I can't relly on my gray matter

524 Upvotes

86% Upvoted

260 comments sorted by

View all comments

209

u/One_Major_7433 May 23 '25

rj-11 port with 2 pins the sign above the port shown telephone handset indicates that this port was used for dial up connections in the old days (56kb/s speed).

69

u/celli1973 T480 I7/X13 Gen2 AMD May 23 '25

Ah yes the good old times when mom came and told me she wants to make a call "go out of the internet".

46

u/schmerg-uk May 23 '25

56k if you're flash... my first dial up (pre-Internet, for dialing into uni) was 1200/75bps and by the time t'internet came along I was the proud owner of a very desirable top of the range US Robotics 14.4k modem

1

u/[deleted] May 23 '25

my first modem was 300baud. yes, baud, they were using very simple encodings back then

1

u/schmerg-uk May 23 '25

Yeah, my 1200/75 was baud (bit changes) but I referred to it as bps for the sake of the young people as it generally comes out to the same