[time-nuts] RS232 Cable for SR620 use with TimeLab

James Robbins jsrobbins at earthlink.net
Wed Jul 29 20:10:30 EDT 2015


Thanks to another TN member (Matthias Jelen) the necessary RS232 cable pin connections to connect the SR620 to TimeLab have been determined:  
		DB9 (PC) <-> DB25 (SR-620) 1 <-> 8; 2 <-> 3; 3 <-> 2; 4 <-> 20; 5 <-> 7; 6 <-> 6; 7 <-> 4; 8 <-> 5

Further, it turns out that there is/was a commercially made cable which is at least available on Ebay:  "Belkin F2L088 IBM AT/Modem DB9F/DB25M Cable".  The cable works like a champ and John's TimeLab picks up the counter right away.

Jim Robbins
N1JR













More information about the time-nuts mailing list