ADCP-61-471 • Issue 4 • June 2000 • Section 2: Operation and Maintenance

DLP-529

Page 4 of 4

Table 529-2. DS3 MUX Configuration Fields

FIELD

TYPE

OPTIONS

DESCRIPTION

DEFAULT

Unit Equipment

Toggle

Equipped

Sets all other fields to default values,

UNEQUIPPED

State

 

 

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

No communication with the MPU.

 

 

 

 

 

 

Unit Service

Toggle

IN SERVICE

Places the unit in service and allows

OUT OF SERVICE

State

 

 

equipment alarm reporting by the MPU.

 

 

 

 

Must be set to IS for reporting of equipment

 

 

 

 

alarms.

 

 

 

 

 

 

 

 

OUT OF

Removes the unit from service and stops

 

 

 

SERVICE

equipment alarm reporting by the MPU.

 

 

 

 

 

 

MUX Protect

Toggle

Protected

Designates that equipment APS is available.

UNPROTECTED

Status

 

 

 

 

 

 

 

 

 

 

 

UNPROTECTED

Designates that equipment APS is not

 

 

 

 

available.

 

 

 

 

 

 

Facility Service

Toggle

IN SERVICE

Allows facility alarm reporting by the MPU.

OUT OF SERVICE

State

 

 

Must be set to IS for reporting of facility

 

 

 

 

alarms.

 

 

 

 

 

 

 

 

OUT OF

Stops facility alarm reporting by the MPU.

 

 

 

SERVICE

 

 

 

 

 

 

 

Transmit LBO

Toggle

IN

Inserts a Line Build Out (LBO) equivalent to

IN

Setting

 

 

0 to 224 feet.

 

 

 

 

 

 

 

 

OUT

Inserts a 225 to 450 ft. LBO in the DS3

 

 

 

 

circuit.

 

 

 

 

 

 

DS1 Loopback

Toggle

C-bit

A type of stuff indicator bit based on TR-

C-BIT

Mode*

 

 

TSY-000009. A C-bit is used to provide a

 

 

 

 

loopback signal.

 

 

 

 

 

 

 

 

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

Display

M13 or C-bit

This field displays what DS3 path framing

None

Format Status

only

 

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.

 

 

 

 

 

 

* Note: The loopback type configured in this field involves the DS3 MUX only.

2-95

© 2000, ADC Telecommunications, Inc.