External Dbu Configuration Options - Paradyne COMSPHERE 3550 Series User Manual

COMSPHERE 3550 Series Data Service Units
ExtBU: None
Next Ansr Orig
External Backup Unit . This feature allows dial backup for a DSU using an external dial backup unit (DBU).
Ansr — Select for the external DBU to answer an incoming dial backup call.
Orig — Select for the external DBU to originate dial backup. Only when the external DBU is set to Orig will the
Backup option set be available. The external DBU must be set for Dial on DTR.
Select to disable the external DBU. This is the default setting.
None —
Rate(Kbps): 9.6
Next 64 56 38.4
Backup Rate for the External Dial Unit (DBU) .
Select the data rate to match the external DBU's port speed.
64 to —
1.2 kbps
TxClkSource: DCE
Next DCE Prt1
Transmit Clock Source . Specifies the transmit timing source for the external DBU.
DCE — Select if clock is provided by the external DBU.
Prt1 or — Select the port that timing is to be taken from, using the selected port's external Transmit
Prt2 Timing lead (Prt2 is only displayed if a TDM/Flex is installed and enabled).
5-16
Table 5-7

External DBU Configuration Options

None Prev
28.8 19.2 14.4
Prt2 Prev
July 1999
9.6 4.8 2.4 1.2 Disab Prev
3550-A2-GB20-40