ADC Release 3.1 User Manual

Page 274

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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)

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