Appendix b model 2707, interface pin assignment, Sgnd (signal ground), Rts (request to send) – Patton electronic X.21 Interfaces User Manual
Page 17: Cts (clear to send), Dsr (data set ready), Cd (carrier detect), Dtr (data terminal ready), Llb (local line loop), Tm (test mode), Rdl (remote digital loop)
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Appendix b model 2707, interface pin assignment, Sgnd (signal ground), Rts (request to send) | Cts (clear to send), Dsr (data set ready), Cd (carrier detect), Dtr (data terminal ready), Llb (local line loop), Tm (test mode), Rdl (remote digital loop) | Patton electronic X.21 Interfaces User Manual | Page 17 / 20
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