
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
—
Summary of Contents for 9820
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Page 216: ...Menu Hierarchy A 4 9820 A2 GB20 20 June 2000 This page intentionally left blank...
Page 246: ...SNMP MIBs and Traps and RMON Alarm Defaults B 30 9820 A2 GB20 20 June 2000...
Page 266: ...Technical Specifications D 4 9820 A2 GB20 20 June 2000...
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