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Modems
A modem allows you to connect a terminal or personal computer (PC) to the
system. The modem connects directly to an extension jack and has access to
any line available to that extension.
NOTE:
If you connect a high-speed modem to an extension jack, you may experience
some degradation of efficiency and throughput, depending on the quality of the
outside lines connected to the system. To solve the problem, either connect the
modem directly to the network interface jack, or contact your local telephone
company for information about upgrading line quality.
Stand-Alone Modem for Placing Calls Only
A modem and a terminal allow you to dial out and connect to computer bulletin
boards and other data services. This setup, which lets you dial out but not
receive calls, is shown in Figure 4-8. Note that the telephone is optional, and
can be used if you want the terminal to share an extension with a phone. (See
“Combination Extensions” in Appendix C for information on connecting two
devices on one extension.)
Telephone
(optional)
Lines
SYSTEM
MODULES
Ext X
Modem
PC or
Terminal
Figure 4-8. Stand-Alone Modem for Placing Calls Only
To Use
Follow the modem manufacturer’s instructions.
To Set Up
1.
If the modem will only dial outside the system, set Automatic Line Selection
for extension X to outside lines first. If you will also use the modem for
calls within the system, set Automatic Line Selection to intercom first,
and include a 9 in the modem’s dialing sequence for outside calls.
2.
Set
Line Ringing
for all lines on extension X to No Ring.
3.
Set Automatic Extension Privacy (#304) for extension X to Assigned.
4.
Set up the modem so it will not answer incoming calls. Refer to the device’s
documentation for instructions.
4-10 Using Auxiliary Equipment