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2.3 Installation of the CO Line Cards
Installation Manual 61
2.3.3 IP-GW4 Card
Function
4-channel VoIP gateway card. Compliant with VoIP H.323 V.2 protocol, and ITU-T G.729a, G.723.1, and
G.711 CODEC methods.
Accessories and User-supplied Items
Accessories (included): Extension Bolt × 1, Strap × 1
User-supplied (not included): RJ45 connector
Notes
• Maximum length of the cable to be connected to this optional service card is 100 m (328 ft).
• For programming instructions and other information about the IP-GW4 card, refer to the
documentation for the IP-GW4 card.
• To confirm the CO line connection, refer to "Confirming the CO Line Connection" in "2.11.1 Starting
the Hybrid IP-PBX".
Pin Assignments
RJ45 Connector (10BASE-T/100BASE-TX)
Signal Name Input (I)/Output (O) Function
TPO+ O Transmit data+
TPO- O Transmit data-
TPI+ I Receive data+
TPI- I Receive data-
–– Reserved
To private IP network
RJ45
LEDs
1 8
TPO+
TPO-
TPI+
TPI-