ADTRAN PSD 239 H2R HDSL2 Loop Specifications For Optimum Operation, Unit Resistance, Warranty

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61221045L2-22A

HDSL2 LOOP SPECIFICATIONS

FOR OPTIMUM OPERATION

First Segment (Between the H2TU-C and H2R)

Cable pairs must be non-loaded

No single Bridged Tap > 2 kft

Total Bridged Tap < 2.5 kft

Maximum loop resistance is 850 with 196 kHz Insertion loss < 35 dB

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

SNR Margin of 6 dB or higher, with no fluctuation on either loop

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

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

Internal Clock Accuracy +25 ppm (exceeds Stratum 4)

Second Segment (Between the H2R and H2TU-R)

Cable pairs must be non-loaded

No single Bridged Tap > 2 kft

Total Bridged Tap < 2.5 kft

Maximum loop resistance is 740 with 196 kHz Insertion loss < 31.25 dB

Pulse attenuation (LOSS on HDSL Current System Status Screen)< 27 dB

SNR Margin of 6 dB or higher, with no fluctuation on either loop

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

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

Internal Clock Accuracy +25 ppm (exceeds Stratum 4)

UNIT RESISTANCE

Measurements are with no power applied

H2R 239 = Open circuit

H2TU-C

VMDF

H2R

H2TU-R

A

B

 

C

D

t-r Voltage

t-r Voltage

 

t-r Voltage

t-r Voltage

185

185

 

140 - 160

130 - 155

ADTRAN 239 REPEATER HOUSINGS

 

 

PART #

Description

H2R Capacity

CLEI CODE*

Material

1150027L1

4-slot Air Stub

TBD*

DDMOABA1MA

Stainless Steel

1150027L2

4-slot Gel Stub

TBD*

DDMOBBA1MA

Stainless Steel

1152010L3

2-slot Gel Stub

TBD*

DDMOBAE1RA

Valox Plastic

1152010L4

2-slot Air Stub

TBD*

DDMOAAE1RA

Valox Plastic

1150057L1

4-slot Air Stub

TBD*

DDMODAO1RA

Stainless Steel

1150057L2

4-slot Gel Stub

TBD*

DDMOCAO1RA

Stainless Steel

1150058L1

8-slot Air Stub

8

DDMOEEO1RA

Stainless Steel

1150058L2

8-slot Gel Stub

8

DDMOFE01RA

Stainless Steel

1190816L1

16-slot Air Stub

TBD*

DDMOES0IRA

Stainless Steel

1190816L2

16-slot Gel Stub

TBD*

DDMOFS0IRA

Stainless Steel

WARRANTY

Warranty for Carrier Networks products manufactured by ADTRAN and supplied under Buyer’s order for use in the U.S. is ten (10) years. For a complete faxback copy of ADTRAN’s U.S. and Canada Carrier Networks Equipment Warranty: (877) 457-5007, Document # 414.

COMPLIANCE

This product complies with UL 1950, third edition. It is intended for installation in restricted access locations only and in equipment with a Type “B” or “E” installation code. Ensure chassis ground is properly connected.

Code

Input

Output

Power Code (PC)

C

C

Telecommunication Code (TC)

X

X

Installation Code (IC)

A

H2R 239 DEPLOYMENT IN OTHER HOUSINGS

Company

Description

H2R Capacity

Material

 

 

Above Ground

Below Ground

 

819 Style

 

 

 

 

AT&T, Keptel, ABACON

25-slot

TBD*

TBD*

Polymer

SPC/ADC Radiator II

16-slot Air Stub

16

16

Stainless Steel

SPC/ADC Radiator II

16-slot Gel Stub

16

16

Stainless Steel

AT&T, Keptel

12-slot Air Stub

TBD*

TBD*

Polymer

ABACON

12-slot Air Stub

TBD*

TBD*

Polymer

ABACON

12-slot Gel Stub

TBD*

TBD*

Polymer

ABACON

16-slot Air Stub

TBD*

TBD*

Polymer

ABACON

16-slot Gel Stub

TBD*

TBD*

Polymer

820 Style

 

 

 

 

Antec/Arris

8-slot Air Stub

TBD*

TBD*

Polymer

 

 

 

 

 

*H2R capacity testing is in progress, and results will be avalable in Q4 2001.

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Contents Loopback and Control Codes Enhanced PSDUnit Resistance HDSL2 Loop Specifications For Optimum OperationWarranty Compliance