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ADCP-61-471 • Issue 4 • June 2000 • Section 2: Operation and Maintenance
2-95
© 2000, ADC Telecommunications, Inc.
DLP-529
Page 4 of 4
Table 529-2. DS3 MUX Configuration Fields
FIELD TYPE OPTIONS DESCRIPTION DEFAULT
Unit Equipment
State
Toggle Equipped Sets all other fields to default values,
establishes communication with the MPU,
and allows the MPU to process equipment
alarms. Module must be set to EQUIPPED
before remaining selections are allowed.
UNEQUIPPED
UNEQUIPPED No communication with the MPU.
Unit Service
State
Toggle IN SERVICE Places the unit in service and allows
equipment alarm reporting by the MPU.
Must be set to IS for reporting of equipment
alarms.
OUT OF SERVICE
OUT OF
SERVICE
Removes the unit from service and stops
equipment alarm reporting by the MPU.
MUX Protect
Status
Toggle Protected Designates that equipment APS is available. UNPROTECTED
UNPROTECTED Designates that equipment APS is not
available.
Facility Service
State
Toggle IN SERVICE Allows facility alarm reporting by the MPU.
Must be set to IS for reporting of facility
alarms.
OUT OF SERVICE
OUT OF
SERVICE
Stops facility alarm reporting by the MPU.
Transmit LBO
Setting
Toggle IN Inserts a Line Build Out (LBO) equivalent to
0 to 224 feet.
IN
OUT Inserts a 225 to 450 ft. LBO in the DS3
circuit.
DS1 Loopback
Mode*
Toggle C-bit A type of stuff indicator bit based on TR-
TSY-000009. A C-bit is used to provide a
loopback signal.
C-BIT
S-bit A type of stuff indicator bit invented by
NEC. An S-bit is used to provide a loopback
signal.
FEAC FEAC (Far End Alarm and Control) is a 16-
bit code based on GR-499-CORE used to
send alarm or status information.
DS3 Framing
Format Status
Display
only
M13 or C-bit This field displays what DS3 path framing
format has been detected. Paths with the
M13 format have their performance
monitored for near-end transmissions; paths
with C-Bit Parity format have their
performance monitored for both near- and
far-end transmissions.
None
* Note: The loopback type configured in this field involves the DS3 MUX only.