EIA-612/613 HSSI Connectors (Model 9820-45M)
The 50-pin HSSI connectors on the Model 9820-45M use standard EIA-612/613
signaling.
9820-A2-GB20-20
Signal
Signal Ground (SG)
Receive Timing (RT)
DCE Available (CA )
Receive Data ( RD )
Send Timing (ST)
Signal Ground ( SG )
DTE Available (TA)
Terminal Timing (TT)
Loopback Circuit A (LA)
Send Data (SD )
Signal Ground ( SG )
Signal Ground ( SG )
Test Mode ( TM )
SIgnal Ground (SG)
June 2000
Connectors, Cables, and Pin Assignments
Pin #
Pin #
(Positive
(Negative
ITU #
Side)
Side)
102
1
26
115
2
27
107
3
28
104
4
29
114
6
31
102
7
32
108/2
8
33
113
9
34
143
10
35
103
11
36
102
13
38
102
19
44
142
24
49
102
25
50
Direction
—
From DCE
From DCE
From DCE
From DCE
—
To DCE
To DCE
To DCE
To DCE
—
—
From DCE
—
C-15