Instruction manual

61200780L1-1C © 2004 ADTRAN, Inc. 126
ATLAS 800 Series System Manual USSI Option Module
Alarm Status
Board Revision Displays the board revision of the installed module.
Alarm Status
Read security: 5
Displays the current alarm status.
Prt Indicates the port number.
Alarms Displays an alarm condition on the ATLAS 800 Series unit.
DTE Status
Read security: 5
Shows the status of key DTE interface signals. An asterisk (*) indicates the presence of a signal and a
hyphen (-) indicates no signal present.
Prt. Operating port number.
DTE Status The following signals are monitored (these options are read-only):
Condition Description
Slip
A rate mismatch exists between the DTE clock and the network-side clock (as
set by DS0 assignment).
Pll
The USSI port is not able to lock onto the clock provided by the network
interface.
Zero
The DTE is sending an excessive number of consecutive zeroes to the network
interface.
No Ext Clk
The DTE is not providing an external transmit clock. This alarm displays only if
the USSI port is configured to get its transmit clock from the DTE.
Pkt Ep Alm
A packet endpoint has detected missing or incorrect framing.
Options Description
RTS
Request to send from DTE.
CTS
Clear to send to DTE.
DTR
Data terminal ready from DTE.
DSR
Data set ready to DTE.
DCD
Data carrier detect to DTE.
RI
Ring indicate to DTE.