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

DLP-573

Page 4 of 6

Table 573-1. HLX Loopback Configuration Fields

FIELD

TYPE

OPTIONS

DESCRIPTION

DEFAULT

Group

Toggle

1, 2, 3, 4, 5, 6, or 7

Specifies the module’s group

Blank

 

 

 

number designated on the chassis.

 

 

 

 

 

 

Slot

Toggle

1, 2, 3, or 4

Specifies the module’s slot number

Blank

 

 

 

designated on the chassis.

 

 

 

 

 

 

Circuit ID

Input

Up to 20 characters.

This represents the customer’s circuit

Blank

 

 

 

ID. The first and last characters must

 

 

 

 

be alpha or numeric; middle

 

 

 

 

characters can be alpha, numeric, or

 

 

 

 

hyphens. Note: This field can be

 

 

 

 

configured only after the T1

 

 

 

 

Provision field (described in DLP-

 

 

 

 

531) is set to YES.

 

 

 

 

 

 

HLXC Activation

Input

16 binary characters (0’s

16-bit codes can be set to any 16-bit

1101 0011 1101 0011

Code

 

and 1’s) must be entered.

binary value except: all 0s, all 1s, or

 

(“Activation Code” is

 

 

a value that is already used in another

 

equivalent to

 

 

16-bit code. The signal is sent

 

“Programmable

 

 

inband. HDSL units go to loopup

 

Code.”)

 

 

state when they are in armed state.

 

 

 

 

Loopup is activated for selected

 

 

 

 

units. Detection time is 3 secs.

 

 

 

 

 

 

HLXC Programmable

Toggle

ENABLED

Enables response to programmable

MPU V5.1:

Lpbk

 

 

loopback codes and overrides

DISABLED

 

 

 

hardware configuration settings.

 

 

 

 

 

MPU V5.2:

 

 

DISABLED

Disables response to programmable

 

 

 

loopback codes and overrides

ENABLED

 

 

 

hardware configuration settings.

 

 

 

 

 

 

ESF Inband Loopback

Toggle

ENABLED*

Version E HLXC: Enables ESF

Version E HLXC:

 

 

 

inband loopback.

ENABLED

 

 

 

 

 

 

 

DISABLED*

Version E HLXC: Disables ESF

Version D or earlier

 

 

 

inband loopback.

HLXC: N/A

 

 

 

 

 

 

 

N/A

Version D or earlier HLXC only:

 

 

 

 

this field cannot be configured.

 

 

 

 

 

 

*In order for the ESF Inband Loopback field to be configured, some HLX Unit Configuration screen fields must be configured as follows: Unit Equip State = EQUIPPED, Unit Service State = IS, T1 Provision = YES, TI Service State = IS, and T1 Framing Format = ESF.

(continued)

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