Installation Manual
H3C AR 18-3XE/18-21X Series Routers
Chapter 2 Installing the
Router
2-11
Step 1: Plug one end of a telephone cable into the ADSL2+ over
POTS port on the router, and the other end into the internal Modem
port on the splitter.
Step 2: Connect the telephone to the Phone port on the splitter
with another telephone cable.
Step 3: Connect the external Line port on the splitter to the PSTN
network with a third telephone cable.
R
out
e
r
POTS
Splitter
Phone port
PSTN
RJ11
Line port
DS
L
A
M
Ro
u
ter
POTS
Splitter
Phone port
PSTN
RJ-11 port
Modemport
ADSL2+ port
Line port
DS
L
A
M
R
out
e
r
POTS
Splitter
Phone port
PSTN
RJ11
Line port
DS
L
A
M
Ro
u
ter
POTS
Splitter
Phone port
PSTN
RJ-11 port
Modemport
ADSL2+ port
Line port
DS
L
A
M
e
Figure 2-6
Connect the ADSL2+ over POTS interfac
II. Connecting the ADSL2+ over ISDN interface
When connecting an ADSL2+ over ISDN interface, you need an
ISDN splitter. Follow these steps to connect cables:
Step 1: Plug one end of a telephone cable into the ADSL2+ over
ISDN port on the router, and the other end into the internal Modem
port on the splitter.
Step 2: Connect the ISDN NT1 adapter to the ISDN NT1 port on
the splitter with another telephone cable.
