HDSL 239 Range Extender Installation and Maintenance Practice
Document Number: 61247045L1-5ACLEI: T1IRPAACB_ _June 2008
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Страница 1: ...HDSL 239 Range Extender Installation and Maintenance Practice Document Number 61247045L1 5A CLEI T1IRPAACB_ _ June 2008 ...
Страница 2: ... Document The contents of this document are current as of the date of publication ADTRAN reserves the right to change the contents without prior notice In no event will ADTRAN be liable for any special incidental or consequential damages or for commercial losses even if ADTRAN has been advised thereof as a result of issue of this document 901 Explorer Boulevard P O Box 140000 Huntsville AL 35814 4...
Страница 3: ... font indicates references to other documentation and is also used for emphasis This font indicates on screen messages and prompts This font indicates text to be typed exactly as shown This font indicates silk screen labels or other system label items This font is used for strong emphasis NOTE Notes inform the user of additional but essential information or features CAUTION Cautions inform the use...
Страница 4: ... on product features and functions while covering applications of ADTRAN product lines ADTRAN provides a variety of training options including customized training and courses taught at our facilities or at customer sites For inquiries concerning training contact ADTRAN Training Phone 800 615 1176 ext 6996 Training Fax 256 963 6217 Training Email training adtran com ...
Страница 5: ...epeater Housings 8 Connections 10 Front Panel LEDs 11 Maintenance 11 Specifications 12 Appendix A HDSL Loopbacks A 1 HDSL Maintenance Modes A 1 HTU C Loopback A 1 HTU R Loopback A 1 HRE Loopback A 1 Loopback Process Description A 2 HDSL Loopback Codes A 3 Appendix B Warranty B 1 Warranty and Customer Service B 1 ADTRAN Sales B 1 ADTRAN Technical Support B 1 ADTRAN Repair CAPS B 1 Repair and Return...
Страница 6: ...oopback Points A 1 Figure A 2 HDSL Element State Diagram A 2 Tables Table 1 HDSL Compatibility 2 Table 2 239 HRE Compliance Codes 3 Table 3 HDSL Loss Values 6 Table 4 Loop Insertion Loss Data 6 Table 5 Compatible Repeater Housings 8 Table 6 239 HRE Edge Connectors Pin 10 Table 7 Front Panel LEDs 11 Table 8 239 HRE Specifications 12 Table A 1 HDSL Loopback Control Codes A 3 ...
Страница 7: ...SL 239 Range Extender GENERAL This practice is an installation and maintenance guide for the ADTRAN HDSL 239 Range Extender 239 HRE Figure 1 illustrates the 239 HRE P N 1247045L1 front panel Figure 1 239 HRE Front Panel ...
Страница 8: ...g Lightning protection In band loopback control Designed for use in standard DDS or ISDN repeater apparatus case Remote provisioning and pass thru performance monitoring HDSL Compatibility The HRE is used in conjunction with any span powering T1 HDSL transceiver unit for the central office HTU C and any HDSL transceiver unit for the remote end HTU R Table 1 lists compatible ADTRAN HDSL transceiver...
Страница 9: ...nel The compliance codes for the 239 HRE are listed below in Table 2 This device complies with Part 15 of the FCC rules Operation is subject to the following two conditions 1 This device may not cause harmful interference 2 This device must accept any interference received including interference that may cause undesired operation Changes or modifications not expressly approved by ADTRAN could void...
Страница 10: ...attery return leads as described in GR 1089 CORE NOTE The HDSL ports are classified as Type 3 and 5 as defined in Appendix B of GR 1089 CORE Issue 4 and meet the lightning and power fault criteria of GR 1089 CORE issue 4 with primary protectors that meet any of the voltage limits of GR 974 CORE or GR 1361 CORE for example carbon blocks gas tubes solid state NOTE Current limiting protectors are not...
Страница 11: ...ted to 2 kft Total bridged tap length is limited to 2 5 kft The total length of multi gauge cable containing 26 AWG cable must not exceed the following 12 3 L26 9 LBTAP in kft Where L26 Total length of 26 AWG cable excluding bridged taps in kft LBTAP Total length of all bridged taps in kft This deployment criteria is summarized in the chart shown in Figure 2 Loop loss per kft for other wire is sum...
Страница 12: ...pproximations are to be used as guidelines only and may vary slightly on different loops Adhering to the guidelines should produce performance in excess of 10 7 BER Table 3 HDSL Loss Values 200 kHz cable loss in dB kft at 135 Ω Cable Gauge Cable Type Temperature 68 90 120 26 PIC 3 902 4 051 4 253 26 Pulp 4 030 4 179 4 381 24 PIC 2 863 2 957 3 083 24 Pulp 3 159 3 257 3 391 22 PIC 2 198 2 255 2 333 ...
Страница 13: ...pliance Notice P N 61247045L1 17 Instructions for Installing the Module The 239 HRE can be installed in any enviromentally controlled 239 and 819 repeater housing Refer to the appropriate repeater housing documentation for the procedure to access the individual repeater slots Once the repeater housing is accessable perform the following steps to install the 239 HRE 1 Hold the 239 HRE by the front ...
Страница 14: ...2 DDMOABA1MA DDMOBBA1MA Air core Gel filled 4 Stainless Steel 239 439 4 4 ADTRAN 239 439 1152010L4 1152010L3 DDMOAAE1RA DDMOBAE1RA Air core Gel filled 2 Valox Plastic 239 439 2 2 ADTRAN 4 slot Universal 1150057L1 1150057L2 DDMODA01RA DDMOCA01RA Air core Gel filled 4 Stainless Steel 239 439 819 4 1 4 ADTRAN 8 Slot Universal 1150058L1 1150058L2 DDMOEE01RA DDMOFE01RA Air core Gel filled 8 Stainless S...
Страница 15: ...39 no 819A 7 1 8 1 Vertical stub down only 2 Up to 16 units can be loaded inside the 819 housing for all below ground mounting orientations If the 819 housing is mounted specifically in the vertical stub down direction 18 units can be loaded in slots 1 3 5 7 8 10 12 13 14 15 17 18 19 20 21 22 24 and 25 Table 5 Compatible Repeater Housings Continued Description Part Number CLEI Stub Slots Material ...
Страница 16: ... 5 watts NOTE Ensure that the chassis ground is securely connected to the apparatus case Ground pin designations are defined in Table 6 Table 6 239 HRE Edge Connectors Pin Pin Designation Description 1 GND Ground 2 NC No Connect 3 T1 Customer Loop 1 Tip 4 R1 Customer Loop 1 Ring 5 T1 Network Loop 1 Tip 6 R1 Network Loop 1 Ring 7 NC No Connect 8 T Network Loop 2 Tip 9 R Network Loop 2 Ring 10 GND G...
Страница 17: ...ion If the pulse attenuation LOSS on Current Sys tem Status Screen is above 30 dB or a CRC error was received at the NET LP1 LP2 receiver the NET LP1 LP2 LED flashes green yel low or red as determined by the signal quality If the pulse atten uation is above 30 dB and a CRC error was received at the same time the LED flashes twice as fast CUST LP1 LP2 z z z 5 Off Green Yellow Red Flashing No sync w...
Страница 18: ...SA guidelines 35 dB maximum at 196 kHz Single taps 2kft Total Taps 2 5 kft Compliant with Bellcore TA NWT 001210 20 dB 40 kHz to 200 kHZ 13 5 dBm 135 Ω Channels 1 12 on Loop 1 Channels 13 24 on Loop 2 Power Input Power Span powered by HTU C 3 5 watts maximum Environmental Operating Temperature Storage Temperature Relative Humidity 40 C to 71 C 40 C to 85 C 95 percent maximum 50 C noncondensing Tes...
Страница 19: ...d the network HTU R Loopback A regenerative loopback of the DS1 signal toward the network This loopback is in addition to a separate Smartjack loopback Separate activation sequences are provided for the HTU R and the Smartjack loopback initiation HRE Loopback A regenerative loopback of the HDSL signal toward the network Upon deactivation of a loopback the HDSL system synchronizes automatically Not...
Страница 20: ...iagram shown in Figure A 2 The four states are disarmed loop up armed and loop up time out disable Figure A 2 HDSL Element State Diagram State transitions result from in band and ESF Data Link sequences as well as timeout operations The sequences and timeout values are as follows Arming Sequence in band and ESF Activation Sequence Deactivation Sequence Disarming Sequence in band and ESF Loop up Ti...
Страница 21: ...ed Activation HTU C 1101 0011 1101 0011 D3D3 Signal sent in band HDSL elements in armed state make transition to loop up state Loop up state time out is programmable from the HTU C Sends 231 bit errors every 20 seconds Arm Source Network 100000 1 in 6 Signal sent in band HDSL elements in disarmed state transition to armed state Detection of the code results in an HTUR network loopback if New Engla...
Страница 22: ...r Customer 1100 0111 0100 0001 C741 Signal sent in band HRE 1 loops back the T1 data to the source direction Sends 10 bit errors every 20 seconds Activation HRE 2 Source Network or Customer 1100 0111 0101 0100 C754 Signal sent in band HRE 2 loops back the T1 data to the source direction Sends 200 bit errors every 20 seconds Query All Elements Source Network 1101 0101 1101 0101 D5D5 Signal sent in ...
Страница 23: ...es support Customer and Product Service CAPS requests or further information ADTRAN Sales Pricing Availability 800 827 0807 ADTRAN Technical Support Pre Sales Applications Post Sales Technical Assistance 800 726 8663 Standard hours Monday Friday 7 a m 7 p m CST Emergency hours 7 days week 24 hours day ADTRAN Repair CAPS Return for Repair Upgrade 256 963 8722 Repair and Return Address Contact CAPS ...
Страница 24: ...Carrier Networks Division 901 Explorer Blvd Huntsville AL 35806 USA ...
