HP Media Gateways G250, Media Gateways G350 manual Console

G250 physical description

For information about the different media modules that can be housed in the G250 media

module slots, see Chapter 2: Optional components.

Table 1: Fixed ports and buttons on the G250 front panel

Port	Description
TRUNK	Four analog trunk ports (G250-Analog Media
	Gateway, G250-DCP Media Gateway) or one
	analog trunk port (G250-BRI Media Gateway,
	G250-DS1 Media Gateway). These fixed trunk
	ports support loop-start, DIOD (for Japan only)
	trunks, and caller ID detection.
LINE	Two analog telephone ports. An analog relay
	provides Emergency Transfer Relay (ETR) feature.
	For the G250-Analog and G250-DCP, the relay is
	between TRUNK port 304 and LINE port 305. For
	the G250-BRI and G250-DS1, the relay is between
	TRUNK port 301 and LINE port 302. Also used for
	incoming analog DID trunks with either wink-start
	or immediate-start.
ISDN BRI TRUNK	Two 4 wire S/T ISDN BRI (Basic Rate Interface)
(G250-BRI Media	2B+D access ports with RJ-45 jacks. Each port
Gateway)	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. Supports the connection of
	●	USB flash drive
	● USB externally powered hub
	●	The Multitech MultiModemUSB
		MT5634ZBA-USB-V92 USB modem
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.
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Issue 5 June 2008 17