ADC Release 3.1 User Manual

Page 374

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1152700

Issue 1

February 2001

Operation and Maintenance

Page 2-354
© 2000, ADC Telecommunications, Inc.

DLP-784

Page 5 of 7

Table 784-2. FE1 FRS Card Configuration Options

SELECTION

DEFAULT

OPTIONS

DEFINITIONS

Card and Port
Administrative
State

Unlocked

Unlocked
Locked

Enables or disables card/port for service,
respectively.

Congestion
Threshold

80

0-100

Percentage of ingress/egress buffer capacity that will
cause a congestion threshold notification.

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.

Low Ingress/Egress
Buffer Congestion
Onset/Abatement

<default>

Variable

This will cause the FECN/BECN in the frame relay
header to be set or cleared. Abatement is always ten
percent less than onset.

High
Ingress/Egress
Buffer Congestion
Onset/Abatement

<default>

Variable

Exceeding threshold causes frames with DE field
equal to 1 to be discarded. Frame discarding stops
upon reaching abatement level. Abatement is always
ten percent less than onset.

Transmit Timing
Source

Local

Received

Local

Incoming clock pulse used for outgoing signal.

Clock pulse supplied by the SC cards used for
outgoing signal.

Service Type

FRS

FRS

Frame Relay Service.

Line Build Out

120 Ohms

120 Ohms

Sets the signal strength according to the distance in
feet that the Cellworx STN is from the E1
interfacing equipment, not user configurable.

Line Coding

HDB3

HDB3

European Standard, not user configurable.

Line Type

E1

E1

E1 MF

E1 CRC-4

E1 CRC-4 MF

Circuit Identifier

<default>

Up to 20
alphanumeric
characters.

User defined. Usually describes the traffic,
customer, and/or channel number.

Loopback

None

None

Facility Line

Terminal

Facility Payload

No Loopback selected.

Loops frames back out to EIM.

Loops ATM cells back to Cellbus.

Not user selectable on FE1 FRS interfaces.

Far End Loopback

None

N/A

Not user selectable on FE1 FRS interfaces.

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