4-14 Cabling a Maintenance Terminal
HN4000 Hardware Installation Guide 920550-5020 Rev 14
4.5.2 HN4000i Model Pin Assignments
Themaintenance‐terminalinterfaceonHN4000iswitchmodelisaDB‐9femaleconnector.
Figure 4‐10showsthepinassignmentsforthisconnector.
Figure 4-10 RS-232 Craft Port Pin Assignments
This type of connection is DCE-to-DTE. The cable used for this connection must be wired straight
through (not crossed).
TXD (Transmit Data)
RXD (Receive Data)
SGN (Signal Ground)
7
8
9
1
2
3
4
5
6
Output
Input
Maintenance
Terminal
HN4000-I Craft Port
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