3Com 3COMIMPACT IQ, Руководство пользователя

Страница: 27 / 160

Installing the ISDN Cable 2-5
1
Installing the ISDN Cable
To install the ISDN cable:
1
Connect the RJ-45 (8-pin) connector end of the
RJ-45/RJ-11 ISDN cable to the RJ-45 ISDN line port labeled
ISDN U on the 3C882 ISDN modem’s back panel, as shown
in Figure 2-5.
Figure 2-5 ISDN Cable Connection
2 Connect the RJ-11 (6-pin) connector end of the
RJ-45/RJ-11 ISDN cable to the RJ-11 ISDN wall jack.
CAUTION: An NT1 is built into the 3C882 ISDN modem.
Never connect the 3C882 ISDN modem ISDN port to a
standard analog telephone jack or to an external NT1 device.
Make sure that it is connected directly to the ISDN jack.
Installing Analog Equipment
You can connect an analog touch-tone telephone, answering
machine, fax machine, or external analog modem to the
3C882 ISDN modem.
You will need an RJ-11 to RJ-11 cable for each analog phone
port connection.
To install an analog device:
1.
RESET
9 VDC
. 5A MAX
RS-232
ISDN U
1
2