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 —