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

 

 

 

 

DLP-573

 

 

 

 

Page 6 of 6

 

Table 573-1. HLX Loopback Configuration Fields, continued

 

 

 

 

 

 

FIELD

TYPE

OPTIONS

DESCRIPTION

DEFAULT

Second HRX in

Input

16 binary characters (0’s

16-bit codes can be programmed to

1100 0111 0100 0010

system only: HRX2

 

and 1’s) must be entered.

any 16-bit binary value except: all 0s,

 

Activation Code

 

 

all 1s, or a value that is already used

 

(“Activation Code” is

 

 

in another 16-bit code. The signal is

 

equivalent to

 

 

sent inband. HDSL units go to loopup

 

“Programmable

 

 

state when they are in armed state.

 

Code.”)

 

 

Loopup is activated for selected units.

 

 

 

 

Detection time is 3 secs.

 

 

 

 

 

 

HRX in system only:

Toggle

ENABLED

Enables response to programmable

MPU V5.1:

HRX Programmable

 

 

loopback codes and overrides

DISABLED

Lpbk

 

 

hardware configuration settings.

 

 

 

 

 

MPU V5.2:

 

 

DISABLED

Disables response to programmable

 

 

 

loopback codes and overrides

ENABLED

 

 

 

hardware configuration settings.

No HRX: NOT APPL

 

 

 

 

 

 

 

 

 

Common Deactivate

Input

16 binary characters (0’s

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

1001 0011 1001 0011

Code

 

and 1’s) must be entered.

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

 

 

 

 

value that is already used in another

 

 

 

 

16-bit code. The signal is sent inband.

 

 

 

 

Units in loopup state go back to armed

 

 

 

 

state. Detection time is 5 secs.

 

 

 

 

 

 

Lpbk Timeout

Input

16 binary characters (0’s

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

1101 0101 1101 0110

Disable Code

 

and 1’s) must be entered.

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

 

 

 

 

value that is already used in another

 

 

 

 

16-bit code. This disables loopup

 

 

 

 

time-out. Active loopbacks stay up

 

 

 

 

until deactivation or disarm code is

 

 

 

 

received. Detection time is 3 secs.

 

 

 

 

 

 

Lpbk Timeout Period

Input

Enter a number from 0 to

This number represents the minutes

30 minutes

 

 

255

that the loopback will remain in

 

 

 

 

effect before reverting to the normal

 

 

 

 

(non-loopback) state. Setting the

 

 

 

 

loopback time-out period to 0 (zero)

 

 

 

 

disables the time-out feature.

 

 

 

 

 

 

HLXR NID Loopback

Display

ENABLED or

This field reflects the condition of

None

Switch Setting

 

DISABLED

the NID enable/disable jumper wire

 

 

 

 

on the HLXR edge card connector

 

 

 

 

(pins 6 and 8). If no jumper wire is

 

 

 

 

present between these pins, the

 

 

 

 

display will show ENABLED. If a

 

 

 

 

jumper wire is present between these

 

 

 

 

pins, the display will shown

 

 

 

 

DISABLED. If the HLXR does not

 

 

 

 

have an NID jumper wire option, the

 

 

 

 

display will show ENABLED.

 

 

 

 

 

 

2-237

© 2000, ADC Telecommunications, Inc.