Mediant 2000 SIP User’s Manual 5. Web ManagementVersion 4.4 67 July 2005Table 5-7: Trunks Status Color Indicator KeysIndicator Color DescriptionGray DisabledGreen Active-OKYellow RAI AlarmRed LOS AlarmBlue AIS AlarmOrange D-channel Alarm(ISDN only)3. To modify the selected trunk’s parameters, click the Stop Trunk button; the trunk is stopped,the status of the parameter ‘Trunk Configuration State’ changes to ‘Non Active’, theparameters are no longer grayed and can be modified and the Apply Trunk Settings buttonappears at the bottom of the screen.When all trunks are stopped, the Apply to all Trunks button also appears at the bottom ofthe screen.Note: If the trunk can’t be stopped because it provides the gateway’s clock(assuming the Mediant 2000 is synchronized with the E1/T1 clock), assign adifferent E1/T1 trunk to provide the gateway’s clock or enable ‘TDM BusPSTN Auto Clock’ on the TDM Bus Settings screen.To assign a different E1/T1 trunk that provides the gateway’s clock, accessthe ‘TDM Bus Setting’ screen and change the ‘TDM Bus Local Reference’number to any other trunk number (this operation can be performed on-the-fly).4. Select the ‘Protocol Type’ you use. Note that different trunks can be defined with differentprotocols (CAS or ISDN variants) on the same gateway (subject to the constraints in theMediant 2000 Release Notes).Note: When modifying the ‘Protocol Type’ field, the menu is automatically updatedaccording to the selected protocol (ISDN, CAS or Transparent). Additionalparameters are appropriate to the selected protocol type.5. Modify the relevant trunk configuration parameters according to your requirements.6. To configure the different behavior bits: either enter the exact hexadecimal value of the bitsin the field to the right of the relevant behavior parameter, or directly configure each bit fieldby completing the following steps:¾ Click the arrow button (-->) to the right of the relevant behavior parameter; a newwindow appears.¾ Modify each bit field according to your requirements.¾ Click the Submit button to save your changes.