To set slot parameters for the VX chassis, use tools in the Chassis directory for the VX node.
View Chassis Slot Settings
Select the Chassis directory for the VX node and view contents at the Chassis Slots screen.
Add Chassis Slot
Insert a new line in the Chassis Slots screen, then double-click on the new line to present the Edit Slot dialog box.
Modify Chassis Slot
Double-click on an entry in the Chassis Slots screen, to present the Edit Slot dialog box.
Enable or disable the slot.
Slot number on the VX chassis to be configured.
Optional field in which to provide a descriptive statement about the slot or the card in the slot.
Drop-down selection range from which to define one of the following types for the slot:
Select the tone table to be loaded onto this board. Only boards with a DSP support loading of the tone table.See the Tone Table topic for information on adding or modifying tone tables.
Enable automatic Gain Control
Check this box to enable automatic gain control
Idle Line Pattern
Used to set the SA (Signal Associated) bits in a NFAS (non-frame alignment signal) frame, and match the remote end for bringing the T1/E1 framer up. Select from the drop down list. When the Slot Type is set as "Unchanged", the following are available options:
From the drop-down menu select STU, V.150.1 UMR, or None.
Min DTMF SNR
Min DTMF SNR is the minimum Signal to Noise Ratio for incoming digit tones to be detected by VX. By default this is set to 12db, but this can be set in case of noisy voice stream from ISDN. Select from the drop down list.