3Com 3C892 - OfficeConnect ISDN Lan Modem Router, User Manual

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28 C
HAPTER
3: H
ARDWARE
D
ESCRIPTION AND
I
NSTALLATION
Installing the ISDN Cable To install the ISDN cable:
1 Connect the RJ-45 (8-pin) connector end of the ISDN cable to the port labeled
ISDN on the back panel, as shown in Figure 13.
Figure 13
ISDN Cable Connection
2 Connect the RJ-11 (6-pin) connector end of the RJ-45/RJ-11 ISDN cable to the
RJ-11 or RJ-45 ISDN wall jack.
CAUTION: An NT1 (that is, a network termination device) is built into the ISDN
LAN Modem. Never connect the ISDN LAN Modem ISDN port to a standard analog
telephone jack or to an external NT1 device. Make sure that the ISDN cable is
connected directly to the ISDN jack.
Connecting to a
10BASE-T Ethernet Port
To connect a computer to the ISDN LAN Modem, do the following.
1 Insert one end of the 10BASE-T Ethernet cable into one of the four LAN ports on
the back of the ISDN LAN Modem, as shown in Figure 14.
Figure 14 10BASE-T Ethernet LAN Connection
2 Insert the opposite end of the cable into your computer’s 10BASE-T Ethernet port.
RESET
10-18 VDC
0.8 A MAX
ISDN
1 PHONE 2
RESET
10-18 VDC
0.8 A MAX
ISDN
1 PHONE 2