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Dial Mode: PSTN Connection (DIAL jack)
The public switched telephone network (PSTN) is a two-wire dial
network. Modems are registered with the Federal Communications
Commission (FCC) for direct connection to the PSTN. The label on the
chassis bottom gives the FCC registration number and other information
required for network operation.
Direct connection to the PSTN is shown in Figure 2-3.
TELSET
LEASED LINE
Cable supplied
with telephone
RJ11C jack installed
by telephone company
Notes:
1. The TELSET jack is provided on the back of the modem for use with a
standard rotary or tone dial telephone regardless of the telephone
jack arrangement ordered from the telephone company.
2. This standard rotary or tone dial telephone set can be used f o r
originating a call or for voice communication. For sites requiring
only auto answer capability , a phone is not needed.
3. For connector pin-outs, refer to Appendix B.
Figure 2-3. Dial-up Connection (115 Vac Model)
DTE Connector
8-pin
Connectors
DIAL
Use 8-pin Modular (at modem end) to 6-pin
Modular (at RJ11 wall jack end) connector.
Modem 3600
Screws
DTE
25-Pin Connector
Shielded DTE Cable
Installation
EIA-232
to DTE
2-7
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