Page 36 of 236 ITG Line 2.1 NTVQ55AA card553-3023-211 Standard 1.00 June 2001Each Media Gateway supports up to two ITGL cards. Each Media GatewayExpansion supports up to two ITGL cards. Each ITGL card supports up to 96i2000 series Internet Telephones. Each Call Server can support up to 640Internet telephones. Multiple Call Servers can exist on a network.ITGL 2.1 cards have an ELAN management 10BaseT port and a TLAN VoIPport (10/100BaseT) on the I/O panel. There is an RS-232 Maintenance Portconnection on the ITGL 2.1 card faceplate and an alternative connection tothe same serial port on the I/O backplane.Note: Do not connect maintenance terminals to the faceplate and I/Opanel serial maintenance port connections at the same time.ITG Line 2.1 controls, indicators and connectorsFigure 6 on page 37 shows the ITGL 2.1 card faceplate components. Theinformation in this section describes the components.Faceplate componentsNWKThe faceplate connector labeled NWK is a 9-pin, sub-miniature D-typeconnector. The connector is not used for the ITGL 2.1 application.ITG-P LED (Card Status)The red status faceplate LED indicates the enabled/disabled status of the 24card ports. The LED is on (red) during the power-up or reset sequence. TheLED remains lit until the card is enabled. If the LED remains on, thisindicates the self-test failed, the card is disabled, or the card rebooted.Reset switchPress the Reset switch to reset the card without having to cycle power to thecard. This switch is normally used after a software upgrade to the card, or toclear a fault condition.WARNINGThe NWK connector looks like a 9-pin serial connector. DO NOTconnect a serial cable or any other cable to it. If you install a cable tothe NWK connector, you will disable the TLAN.
