ADC Release 3.1 User Manual
Page 274

1152700
•
Issue 1
•
February 2001
•
Section 2 Operation and Maintenance
Page 2-254
© 2000, ADC Telecommunications, Inc.
DLP-755
Page 3 of 5
Table 755-1. T1 Multi 1 Configuration Options
SELECTION
DEFAULT
OPTIONS
DEFINITIONS
Card and Port
Administrative State
Unlocked
Unlocked
Locked
Enables or disables card for service.
Congestion
Threshold
0
0 to 100
Threshold for CLP=1 cells to be discarded
on the ingress/egress path.
Ring Selection
Auto
Auto
Ring 16
Ring 17
Card will automatically select traffic from
the ring direction with the best signal.
Card will receive traffic from Ring 16
direction.
Card will receive traffic from Ring 17
direction.
Transmit Timing
Source
Local
Received
Local
The Tx clock (and data rate) is the same
frequency as the RX clock and data rate,
(receive clock is looped to the transmitter).
The on-board crystal oscillator in used for
the clock source and will not equal the
receive clock frequency.
Service Type
CES
CES
CRS
Circuit Emulation Service.
Cell Relay Service.
Line Build Out
0-133 feet
0 – 133 ft
133 – 266 ft
266 – 399ft
399 – 533ft
533 – 655
Sets the signal strength according to the
distance in feet that the Cellworx STN is
from the T1 interfacing equipment.
Line Coding
B8ZS
B8ZS
AMI
Bit 8 Zero Substitution
Alternate Mark Inversion
Line Type
Extended
−
Superframe
Extended
−
Superframe
Superframe
Sets the line type to reflect customer
equipment on a per port basis.
Facility Data Link
None
ANSI-T1-403 FDL
None
A peer-to-peer protocol across a T1 line
providing OA&M functions (performance
monitoring, loop back etc.) implemented
via the framing bits in the T1 frame.
Far End Loopback
Looped or
Normal
Data
None
Reset
Line
Payload
No loopback is requested. Values only
selectable when FDL is on.
Tells far end to stop the loopback.
Tells far end to loop the line back.
Tells the far end to loop the payload after
line data is extracted.
(continued)