3Com 3C877 Quick Start Instructions - Page 6

Browse online or download pdf Quick Start Instructions for Modem 3Com 3C877. 3Com 3C877 16 pages. Impact isdn external digital modem

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MPACT

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.

CAUTION: The 3Com Impact digital modem is designed to

operate with Basic Rate ISDN 2B1Q U Interface network

terminations. An internal Network Termination device (NT1)

is built into the digital modem. Do not connect the 3Com

Impact digital modem ISDN port to a standard analog

telephone jack or to an external NT1 device. Make sure that it

is connected to the ISDN jack.

8 Turn on the 3Com Impact digital modem by toggling the

power switch on the back panel to the On position.

9 Turn on the computer's power switch and restart.

10 Go to the section "Conﬁguration for Apple Macintosh

Computer" to conﬁgure the 3Com Impact digital modem for

your computer.

Conﬁguring the 3Com Impact Digital Modem

The 3Com Impact digital modem requires the ﬁve essential

conﬁguration parameters below before it can operate

properly on an ISDN line. Before conﬁguring the digital

modem, make sure you have this information readily

available. These ﬁve parameters are provided to you at the

time of installation of your ISDN line by the telephone

company installer.

ISDN Switch Type

Phone #1 (local directory telephone number)

SPID #1 (Service Proﬁle Identiﬁer)

ISDN E

XTERNAL

IGITAL

ODEM

UICK

TART

NSTRUCTIONS