User's Manual

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620003-0 Rev. B
7.8.2 Modem Connection
In this configuration, the PC and the Main Hub connect to modems and communicate
via a standard dial-up telephone connection.
Figure 7-13 OA&M Modem Connection
NOTE: See Appendix A.4 on page A-3 for the modem cable wiring information.
Modem
Straight-through modem cable
PSTN
Modem
PC running
or OpsConsole
Software
AdminManager
Straight-through
modem cable
External Modem
only with OpsConsole