170 CHAPTER 8: PSTN G ATEWAY CONFIGURATION■ PSTN Gateway Configuration > ISDN BRI Groups2 Click the name of a group.3 Click the Membership tab.4 Verify that all channels are present.Completing the ConfigurationTo complete the Digital Line Card installation:1 Click the appropriate link:■ PSTN Gateway Configuration > T1 Channels■ PSTN Gateway Configuration > ISDN PRI Channels■ PSTN Gateway Configuration > ISDN BRI Channels2 Wait approximately 30 seconds for the status of each channel to changefrom Ready to Idle.3 Verify the status of each channel.If the channel status does not display as Idle, verify that you have enabledthe On Line check box for the card, the span, and the group.While you are waiting, you can click Apply to refresh the list of channelsand to see the updated status. If you have connected the telephonecompany’s line to the Digital Line Card, the Nominal (on 3C10165C E1and 3C10116C T1 Digital Line Cards) or the CO (on 3C10165D E1 and3C10116D T1 Digital Line Cards) status light on the front panel of theDigital Line Card illuminates (solid green). If the light does not illuminateand you have an E1 or T1 line connected, disconnect the line and connecta loopback connector. If the light now illuminates, contact the telephonecompany for assistance with the line. If the light does not illuminate,contact your 3Com Technical Support representative.Digital Line CardStatus LightsThis section describes:■ BRI-ST Card Status Lights■ E1 and T1 Digital Line Card Status LightsBRI-ST Card Status LightsEach of the four spans on a BRI-ST card has status lights that indicate thestatus of the span (Table 36).