Chapter 7. Configuring the Network Port
equipped with an “Adtran Safety Net” device that is capable of restoring the PVC which is designated by the DBU DLCI element.
If auto DBU is triggered by port failure, then the DBU Call Order element determines the order of a dialing list for alternate backup locations.
DBU on Inactive
This option works in conjunction with the dial backup criteria option WITH PVC INACTIVE. For the DBU ON INACTIVE option to have an affect on auto DBU operation, the WITH PVC INACTIVE option must be set to ENABLE. See With PVC Inactive on page
If DBU ON INACTIVE is set for ENABLED and the PVC designated by the DLCI element goes to an inactive or unknown state, the TSU IQ+ will dial the phone number designated by the DBU PHONE NUMBER element in the table entry.
GROUP is a special case in which all PVCs that are part of a group must be in an inactive or unknown state before the auto DBU process is triggered. This special case is treated as a port failure in which the DBU CALL ORDER entry applies.
DBU Call Order #
This determines the order in which a list of backup locations will be dialed. This applies only to auto dial backup processes that are triggered by port failure. If all DBU Call Order entries are set to NONE, then the first entry with a DBU phone number will be used.
CIR (Kbps)
Enter the CIR (committed information rate) in kbps for the corresponding DLCI. The information is provided by your service provider and must be entered for each PVC.
Range is 0 to 1536.
Seq Num Checking (SEQ #)
Set to ENABLE only if there are TSU IQ+s on both ends of the PVC. When enabled, the TSU IQ+ tags each frame with a sequence number which is then used by the remote TSU IQ+ to detect lost
TSU IQ+ User Manual |
