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117021-A Rev. A
Chapter 4
Configuring BayStack DSU/CSU Services
Configuring DSU/CSU Services .....................................................................................4-1
Setting the Option Mode ..........................................................................................4-3
Selecting the Transmit Clock Source ........................................................................4-3
Enabling or Disabling the 64K Transmit Monitor .......................................................4-3
Configuring V.54 Loopback Tests ....................................................................................4-4
Configuring the V.54 Loopback Test .........................................................................4-5
Configuring the V.54 Loopback Timer ......................................................................4-6
Loopback Test Modes ..............................................................................................4-7
Digital Loopback (DL) ........................................................................................4-7
Remote Digital Loopback (RL) ...........................................................................4-8
Local Analog Loopback (AL) .............................................................................4-8
Pattern-2047 BERT Test ....................................................................................4-9
Telco-Activated Loopback ..................................................................................4-9
Chapter 5
Configuring HSSI Services
About HSSI Services ......................................................................................................5-1
Enabling or Disabling HSSI Lines ...................................................................................5-2
Configuring BofL Messages ...........................................................................................5-2
Enabling or Disabling BofL .......................................................................................5-3
Setting the BofL Interval ...........................................................................................5-3
Setting the MTU ..............................................................................................................5-3
Viewing the Configured WAN Protocol ...........................................................................5-4
Setting the Transmission Interface ..................................................................................5-4
Setting the External Clock Speed ...................................................................................5-4
Setting the CRC Size ......................................................................................................5-5
Setting the Carrier Loss Debounce Timeout ...................................................................5-5
Chapter 6
Configuring E1 or T1 Services
About E1 and T1 Services ..............................................................................................6-1
Editing T1 Services .........................................................................................................6-1
Enabling or Disabling T1 Services ...........................................................................6-2
Setting the T1 Frame Type .......................................................................................6-3
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