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モデム 3Com 3C877のPDF クイック・スタート手順をオンラインで閲覧またはダウンロードできます。3Com 3C877 16 ページ。 Impact isdn external digital modem

MPACT

Figure 1 3Com Impact Digital Modem Rear Panel

Installing the Digital Modem in an IBM-compatible PC

To install the 3Com Impact digital modem in an IBM or

compatible PC, follow these steps:

1 Turn off the computer.

2 Insert the 9-pin male end of the 3Com Impact digital

modem-to-PC serial signal cable into the connector labeled

Computer on the digital modem's back panel and tighten the

connector screws.

3 Connect the other end of the 3Com Impact digital

modem-to-PC serial signal cable to a serial communications

(COM) port on the back of your PC and tighten the connector

screws.

4 Connect the 3Com Impact digital modem power cable to the

connector marked 12V AC on the back panel of the digital

modem.

5 Plug the transformer end of the power cable into a standard

117V ac wall outlet.

6 Connect the RJ-45 (8-pin) connector end of the RJ-45/RJ-11

ISDN cable to the RJ-45 connector labeled Wall on the

digital modem's back panel.

7 Connect the RJ-11 (6-pin) connector end of the RJ-45/RJ-11

ISDN cable to the RJ-11 telephone ISDN jack.

ISDN E

XTERNAL

Power

12V AC

IGITAL

ODEM

UICK

RS232D

TART

NSTRUCTIONS

Wall

RS232D

ISDN BRI-U ONLY