User manual

Chapter 3. Operation
61200314L1-1 Dual T1/PRI Module User Manual 3-5
INFO
Read security: 5
Provides information about the module part number, serial number, assem-
bly revision, and PLL status.
P
ART
N
UMBER
Displays the part number of the module.
S
ERIAL
N
UMBER
Displays the serial number of the module.
A
SSEMBLY
R
EVISION
Displays the assembly revision.
PLL S
TATUS
Indicates whether the clock is locked to its specific source.
ALARM STATUS
Read security: 5
Displays the current T1 alarm status.
P
RT
Indicates the port number.
A
LARMS
Read security: 5
Displays an alarm condition on the ATLAS 550 unit. Press E
NTER
to access
this menu item.
LOS
Indicates a loss of signal detected on port interface.
R
ED
Indicates inability to framedata received onthe port. Alternately referred to
as Out of Frame (OOF).
Y
ELLOW
Receiving remote alarm (RAI) on port.
B
LUE
Receiving unframed all ones from the port Alarm Indicator Signal (AIS).
DS0 A
LARM
Displays per-DS0 alarm status; thatis, at least one DS0 channel is in alarm if
an asterisk (*) appears. These alarms usually indicate the failure to receive
the protocol that has been configured for the DS0.
R
X
L
EVEL
(Receive Level) Indicates the strength of the signal (in dB) received on the
port.