User manual

Chapter 3. Operation
61200261L1-1 ATLAS Quad USSI Module User Manual 3-5
ATLAS QUAD USSI MODULE MENU OPTIONS
Figure 3-3 shows the menu options available for the ATLAS Quad USSI
Module. The following sections describe these options.
Figure 3-3. Quad USSI Module Menu Options
>
QUAD USSI INFO
Read security: 5
Indicates the module status. These fields are read-only.
» Part Number
Displays the module part number.
» Serial Number
Displays the module serial number.
>
QUAD USSI
ALARMS
Read security: 5
Displays any active alarms. These fields are read-only.
» SLIP
A rate mismatch exists between the DTE clock and the network-side clock
(as set by DS0 assignment).
» PLL
The USSI port cannot lock onto the clock provided by the network interface.
» ZERO
The DTE is sending an excessive number of consecutive zeroes to the net-
work interface.
» NO EXT CLK
The DTE is not providing an external transmit clock (if the USSI port is con-
figured to get transmit clock from the DTE).