Operating Instructions and Installation Instructions

Connecting Telephones and Other Terminal Devices
FRITZ!Box 7490 51
10 Connecting Telephones and Other Terminal Devices
This chapter describes how to connect telephones, fax machines, an-
swering machines and telephone systems (PBXs) to the FRITZ!Box.
10.1 Connecting an Analog Telephone or Terminal Device
1. Connect the terminal device to the “FON 1” or “FON 2”
port.
You can connect a telephone or another terminal device
(a fax machine, for instance) to each port.
2. Configure the terminal device in the FRITZ!Box; see
page 57.
10.2 Connecting ISDN Telephones and ISDN Terminal Devices
Requirements
• ISDN terminal devices must support operation on an
ISDN point-to-multipoint line.
Connecting an ISDN Telephone
1. Connect the ISDN telephone to the “FON S
0
” port.
DSL
/T
TE
L
DSL/TEL
F
F
FON 1
FON 2
LAN 1
LAN 2
3
3
LAN 3
A
LA
A
N
N
N
4
4
LAN 4
Power
Power
FON S
0
W
LAN
W
PS
DECT
Inf
o
WLAN
F
ixed Line
I
nter
net
P
o
wer
/D
S
L
L
FON 1
ON
1
FON
1
FON
1
FON 2
FON
2
FON
2
FON
2
2
N
LAN
1
1
N
LAN
LAN
L
L
L
L
L
LAN
LAN
AN
LAN
LAN
LAN
LAN
LAN
LA
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
LA
L
N
2
LA
LA
L
L
L
L
LA
A
LA
LA
LA
LA
L
N
N
N
N
A
A
A
A
A
N
N
N
N
N
2
N
2
2
2
2
LAN
3
LAN
LANLAN
3
3
3
LA
N
4
L
LA
LA
N
A
A
NN
N
4
4
FON
ON
S
S
0
0
FON
FON
F
S
S
FON
N
S
S
FO
FON
FON
ON
ON
N
S
S
S
S
S
S
0
0
0
0
0
0
S
S
S
S
S
0
0
0
0
0
0
0