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60 Avaya Application Solutions IP Telephony Deployment Guide
Table 11: Fixed ports and buttons on the G250 front panel describes the functions of the fixed
ports and buttons on the G250 front panel.
Table 11: Fixed ports and buttons on the G250 front panel
Port Description
TRUNK Four analog trunk ports (G250 analog Media Gateway) or
one analog trunk port (G250-BRI Media Gateway).
LINE Two analog telephone ports. An analog relay between
TRUNK port 3/4 and LINE port 3/5 provides Emergency
Transfer Relay (ETR) feature.
ISDN BRI
TRUNK
(G250-BRI
Media
Gateway)
Two 4 wire S/T ISDN BRI (Basic Rate Interface) 2B+D
access ports with RJ-45 jacks. Each port interfaces to the
central office at the ISDN T reference point. The ISDN BRI
trunk ports do not support:
● BRI stations
● Combining both B channels together to form a
128-kbps channel
CONSOLE Console RS-232 interface port for direct connection of CLI
console. RJ-45 connector.
USB USB port.
CCA RJ-45 port for ACS (308) contact closure adjunct box.
ETH WAN RJ-45 10/100 Base TX Ethernet port for connection to a
cable or DSL broadband modem/router.
ETH LAN POE Eight Power over Ethernet (PoE) LAN ports with 80 watts
(aggregated for all ports) for connecting IP phones or any
Ethernet devices, such as PCs.
RST Reset button. Resets chassis configuration.
ASB Alternate Software Bank button. Reboots the G250 with the
software image in the alternate bank.