COMSPHERE 3550 Series Data Service Units
Table
External DBU Configuration Options
ExtBU: None
Next Ansr Orig None Prev
External Backup Unit. This feature allows dial backup for a DSU using an external dial backup unit (DBU).
Ansr | Ð | Select for the external DBU to answer an incoming dial backup call. |
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Orig | Ð | Select for the external DBU to originate dial backup. Only when the external DBU is set to Orig will the | ||||||||||
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| Backup option set be available. The external DBU must be set for Dial on DTR. |
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None | Ð | Select to disable the external DBU. This is the default setting. |
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Rate(Kbps): 9.6 |
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Next | 64 | 56 | 38.4 | 28.8 | 19.2 | 14.4 | 9.6 | 4.8 | 2.4 | 1.2 | Disab | Prev |
Backup Rate for the External Dial Unit (DBU).
64 to Ð Select the data rate to match the external DBU's port speed. 1.2 kbps
TxClkSource: DCE
Next DCE Prt1 Prt2 Prev
Transmit Clock Source. Specifies the transmit timing source for the external DBU.
DCE | Ð | Select if clock is provided by the external DBU. |
Prt1 or | Ð | 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). |
December 1996 |
