9500 MXC User Manual
3DB 23063 ADAA - Rev 004 July 2007 Vol. II-6-11
For the Ethernet screens (DAC ES, DAC GE), RMON performance statistics are
displayed for each port and channel.
For a DAC 16x or DAC 4x, background circuit error performance is captured on
a selected E1 trib using the CRC (Cyclic Redundancy Check) bits in the G.704
multiframe.
For the NCC, temperature and supply voltage are displayed.
System/Controls
The System/Controls screens present diagnostic menus for:
• Link Menu
• Ring Menu
• Data Menu
• AUX Menu
Link Menu
The Link menu applies to RACs and Radios and includes tools for loopbacks,
protection locks and Tx mute:
Loopbacks can be applied on:
• Bus-facing digital or IF loopbacks on RAC plug-ins (Node).
• Customer-facing digital loopback on the Terminal.
• Both-way circuit loopbacks on the TDM bus (Node).
Protection locks enable the locking of a Tx and/or Rx online, and support
switching to online secondary from primary, and vice-versa.
Safety timers are provided on all loopback and lock selections.
Graphics provide a status summary for protected configurations.
Ring Menu
The Ring menu applies to RACs to provide a status graphic and locks for East
and West Online and Offline operation.
• RAC East; provides locks for East RAC Tx Mute, and for digital and IF
loopbacks.
• RAC West; provides locks for West RAC Tx Mute, and for digital and IF
loopbacks.
An Online selection locks the selected west and/or east RAC online; ring
wrapping is disabled. An Offline selection is used to force ring wrapping.
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