User manual
B-1 / ()
()
:
●
●
A:
(
)
●
B:
DSL
●
C:
PBX ISDN
●
D:
●
E: /
●
F: /
●
G:
(
)
●
H: /
●
I: /
●
J: /
●
K: /
dial-up
(
)
1.
()
2.
●
DSL: digital subscriber line (DSL)
(DSL
ADSL /
)
●
PBX:
(Private Branch Exchange - PBX)
●
ISDN:
(Integrated Services Digital Network - ISDN)
THWW
()
137