Connectors, Cables, and Pin Assignments

C-15

9820-A2-GB20-20 June 2000
EIA-612/613 HSSI Connectors (Model 9820-45M)
The 50-pin HSSI connectors on the Model 9820-45M use standard EIA-612/613
signaling.
Signal ITU #
Pin #
(Positive
Side)
Pin #
(Negative
Side) Direction
Signal Ground (SG) 102 1 26
Receive Timing (RT) 115 2 27 From DCE
DCE Available (CA) 107 3 28 From DCE
Receive Data (RD) 104 4 29 From DCE
Send Timing (ST) 114 6 31 From DCE
Signal Ground (SG) 102 7 32
DTE Available (TA) 108/2 8 33 To DCE
Terminal Timing (TT) 113 9 34 To DCE
Loopback Circuit A (LA) 143 10 35 To DCE
Send Data (SD) 103 11 36 To DCE
Signal Ground (SG) 102 13 38
Signal Ground (SG) 102 19 44
Test Mode (TM) 142 24 49 From DCE
SIgnal Ground (SG) 102 25 50