Chapter 5. Configuration Menu
61202156L2-1 TDU 120e User Manual 5-29
Robbed Bit Signaling
This menu option is used to enable/disable robbed-bit
signaling.
Whenever the base DS-1 interface is connected to termi-
nal equipment (e.g., PBX/SW56) for voice or dialed data
services, this option should be enabled.
Exception: When the terminal equipment is using a form
of common channel signaling (e.g., PRI).
For applications requiring robbed-bit signalling as well
as a messaging channel (e.g., some proprietary PBX
channels), the ON: ENA BLOCK selection is provided.
Choices: OFF, ON: ALL DSO
S
, ON: ENA BLOCK
RBS Start
When Robbed Bit Signaling option is set to ON: ENA
B
LOCK
, this item defines the first DS0 to extract signaling
from.
RBS End
When the Robbed Bit Signaling option is set to ON: ENA
BLOCK, this item defines the last DS0 to extract
signaling from.
Example: RBS Start and RBS End together define a block
of DS0s for Robbed Bit Signaling.
