User`s manual

z Support detection of disconnect tone, polarity reversal, and loop current drop (zero

voltage) on FXO ports

z Well interoperability with industry-leading IP-PBX/Soft-Switch, such as Alcatel, Lucent,

Siemens, etc.

1.3 Physical Interface

z Ethernet port (RJ-45, 10/100 base-T)

WAN port, for connect to router, ADSL modem (ATU-R), or switch hub

directly.

4-LAN port, for PC or other network devices connecting.

z Telephony port (RJ-11) --- depending on different models

8-FXS ports, to connect with analog phone

8-FXO ports, to connect with PSTN

4-FXO/4FXS ports, to connect with PSTN and analog phone

4 FXO ports, to connect with PSTN

4 FXS ports, to connect with phone

z Reset button (Factory Default)

z AC power Jack

z Status indicated LED

Indicates Ethernet, FXS, and SIP system status

1.4 Specification

z IP Network connection

IPv4 (RFC 791)

MAC Address (IEEE 802.3)

PPPoE Client (RFC 2516)

DNS Client

DHCP Client (RFC 2131)

DHCP Server (RFC 2131)

NAT (RFC 1631)

TCP/UDP (RFC 793/768)

ICMP (RFC 792)

RTP/RTCP (RFC 1889/1890)

SNTP (RFC 2030)

TFTP Client

Telnet Server

HTTP Server