Figure 5: Loopback plug
Figure 6: Fiber-Optic protective plug
Director 2/64 Installation Guide
Fiber-optic protective plug—For safety and port transceiver protection,
fiber-optic protective plugs, as shown in
director ports without fiber-optic cables attached. The director is shipped with
protective plugs installed in all ports.
Null modem cable—An asynchronous RS-232 null modem cable, as shown
in
Figure
7, is required to configure director network addresses and acquire
event log information through the maintenance port. The cable has nine
conductors and DB-9 male and female connectors.
Figure
6, must be inserted in all
Overview
35