TOTAL ACCESS

®

1000 239 HRE

JOBAID

 

 

61179513L1-22A

 

 

 

 

0212

 

 

 

 

 

239 HRE

LED STATUS

 

LOOPBACK AND CONTROL CODES

 

 

 

 

 

CLEI:1179513L1VAR FC0B_ _

 

239HRENE

 

2

T

22A#

LP21

C

UST

-

LL

RL

(Y)

(G)

#61179513L1

 

 

NETWORK

 

 

LP1 / LP2

OFF

No synchronization with the ICOT.

 

GREEN

Synchronized with good signal quality on NET Loop 1/Loop 2

 

 

(> 2 dB margin).

 

YELLOW

Synchronized with marginal signal quality on NET Loop 1/Loop 2

 

 

(1 to 2 dB margin).

 

RED

Synchronized with poor signal quality on NET Loop 1/Loop 2

 

 

(0 dB margin).

CUSTOMER

 

 

LP1 / LP2

OFF

No synchronization with the RT.

 

GREEN

Synchronized with good signal quality on CUST Loop 1/Loop 2

 

 

(> 2 dB margin).

 

YELLOW

Synchronized with marginal signal quality on CUST Loop 1/Loop 2

 

 

(1 to 2 dB margin).

 

RED

Synchronized with poor signal quality on CUST Loop 1/Loop 2

 

 

(0 dB margin).

LL / RL

OFF

No active arming or loopback is detected at the HRE.

 

YELLOW

Indicates LB from HRE toward the network is active.

 

GREEN

Indicates LB from HRE toward the customer is active.

HDSL LOOP SPECIFICATIONS FOR OPTIMUM OPERATION

Cable pairs must be nonloaded

No single Bridged Tap > 2 kft

Maximum loop resistance is 800

Pulse attenuation (LOSS on HDSL Current System Status screen) < 30 dB

Impulse noise < 50 dBrn as measured using a 50 kb filter

Total Bridged Tap < 2.5 kft

196 KHz insertion loss < 35 dB

Signal quality of 6 dB or higher, with no fluctuation and equal on both loops

Wideband Noise < 31 dBrn as measured using a 50 kb filter

Internal Clock Accuracy +25 ppm (exceeds Stratum 4)

FUNCTION

CODE

RESPONSE

ARM (in-band)

11000 (binary)

ICOT and HRE(s) will arm and the HLIU will loop up toward the network.

 

 

 

ARM (ESF Data Link)

FF48 (hex) or 1111 1111

 

 

0100 1000 (binary) sent

ICOT and HRE(s) will arm and the HLIU will loop up toward the network.

 

in the Facility Data Link

 

 

 

 

Disarm (in-band)

11100 (binary)

All units are removed from the armed state and loopbacks will be released.

 

 

 

Disarm (ESF Data Link)

FF24 (hex) or 1111 1111

 

 

0010 0100 (binary) sent in All units are removed from the armed state and loopbacks will be released.

 

the Facility Data Link

 

Activation ICOT1

D3D3 (hex) or

If received while in an armed state, the ICOT will loop toward the network.

 

1101 0011 1101 0011

 

 

(binary)

 

Loop down w/out

9393 (hex) or

Automatically releases without disarming any ICOT and HRE that may be in

disarming2

1001 0011 1001 0011 (binary) loopback toward the network.

HRE Network Loop up1

C741

If an HRE is present and units armed, the HRE will loop up toward network..

 

(1100 0111 0100 0001)

 

HLIU Loop up1

C742

If received while in an armed state, the HLIU will loop toward the network..

 

(1100 0111 0100 0010)

 

1Units must be armed with 11000b or FF48h before this code will work.

2In order to behave like an NIU, the HLIU will not loop down from the network side with 9393h.

NOTE: All codes listed above must be sent for a minimum of 5 seconds in order for them to be detected and acted upon.

Card Edge Pin Assignment

Pin

Designation

Description

1

GND

Ground

2

NC

No Connect

3T1 Customer Loop 1 Tip

4R1 Customer Loop 1 Ring

5T1 Network Loop 1 Tip

6R1 Network Loop 1 Ring

7

NC

No Connect

8T Network Loop 2 Tip

9R Network Loop 2 Ring

10 GNDGround

11T Customer Loop 2 Tip

12R Customer Loop 2 Ring

C A U T I O N !

SUBJECT TO ELECTROSTATIC DAMAGE

OR DECREASE IN RELIABILITY.

HANDLING PRECAUTIONS REQUIRED.

■ For a complete Installation and Maintenance Practice (P/N 61179513L1-5): (877) 457-5007, Faxback Document 900. Please have your fax number ready. ■

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ADTRAN 1000 239 HRE specifications Ust

1000 239 HRE specifications

The ADTRAN 1000 239 HRE is a sophisticated telecommunications device designed to streamline and enhance network connectivity for businesses and organizations. Known for its robust performance and versatility, this equipment is integral to modern communication infrastructures. One of its standout features is its ability to support a wide range of protocols, making it compatible with various existing systems, thus reducing the need for costly upgrades.

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