6
SIP Operation Manual
Model Description
4S:
P1-P4 stand for Phone1-Phone4. Connect to your analog telephone.
4O:
P1-P4 stand for Line1-Line4. Connect to your original telephone line on the wall jack with
RJ-11 cable.
2S2O:
P1-P2 stand for Phone1-Phone2 and P3-P4 stand for Line1-Line2. Phone ports are connected
to your analog telephone, and Line ports are connected to your original telephone line on the wall jack
with RJ-11 cable. Each FXS is relayed to each FXO symmetrically before the power is connected or in
the occasion of a power failure.
3S1O:
P1-P3 stand for Phone1-Phone3 and P4 stand for Line1. Phone ports are connected to your
analog telephone, and Line port is connected to your original telephone line on the wall jack with RJ-11
cable. P1 will be relayed to P4 so that emergency calls can be made before the power is connected or
in the occasion of a power failure.
WARNING:
DO NOT
(1) connect the phone ports to each other (FXS to FXS) or (2) connect any
phone port directly to a PSTN line (FXS to PSTN) or to an internal PBX line (FXS to PBX
extension). Doing so may damage your VoIP gateway.
Rear Panel
4S Model (4 FXS ports)
DC+12V Reset
P1
WAN
L1
FXS ports 1 ~ 4
(telephone connectors)
Connects to phone sets
WAN port
Connects to broadband
Networks such as ADSL,
Cable Modem or Router
LAN ports 1 ~ 4
(built-in Ethernet switch)
Connect LAN hosts here
to share WAN connection.
IP sharing features enabled
POWER
Connects to the power
adapter (comes with
the gateway)
RESET
To reset the
gateway or to
restore
factory settings
P2 P3
P4
L2
L3 L4
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