ADTRAN 239 T1 HDSL4 - Manuals

Page 2 - Trademarks; 01 Explorer Boulevard

ii 61223445L1-5D 239 H4R Installation and Maintenance Practice Trademarks Any brand names and product names included in this manual are trademarks, registered trade-marks, or trade names of their respective holders. To the Holder of the Manual The contents of this publication are current as of the d...

Page 3 - Revision History; this font; This font; This; This font; This font; This font; Revision; Updated to add Bad Splice Detect and Fast Retrain feature

239 H4R Installation and Maintenance Practice 61223445L1-5D iii Revision History Conventions The following typographical conventions are used in this document: This font indicates a cross-reference link. First-time references to tables and figures are shown in this font . This font indicates screen ...

Page 4 - Training

iv 61223445L1-5D 239 H4R Installation and Maintenance Practice Training ADTRAN offers training courses on our products. These courses include overviews on product features and functions while covering applications of ADTRAN’s product lines. ADTRAN provides a variety of training options, including cu...

Page 6 - This page is intentionally blank.

vi 61223445L1-5D Tables 239 H4R Installation and Maintenance Practice This page is intentionally blank.

Page 7 - Figure 1; NET

61223445L1-5D 1 239 T1 HDSL4 Repeater (H4R) 1. GENERAL This practice is an installation and maintenance guide for the ADTRAN ® 239 T1 HDSL4 Repeater (H4R) (239 H4R). Figure 1 illustrates the 239 H4R (P/N 1223445L1) front panel. Figure 1. HDSL4 239 T1 HDSL4 Repeater (H4R) 2. DESCRIPTION HDSL4 provide...

Page 8 - Features; Bad Splice Detection Feature; NOTE; NTF

2 61223445L1-5D Description 239 H4R Installation and Maintenance Practice Features The basic features of the HDSL4 239 T1 HDSL4 Repeater (H4R), include the following: • TC PAM line coding • Lightning protection • In-band loopback control • Standard 239 form factor repeater apparatus case design • Re...

Page 9 - Figure 2. Splice Results Screen; Fast Retrain Feature

239 H4R Installation and Maintenance Practice Description 61223445L1-5D 3 to that anomaly. This number will also reflect the highest anomaly count seen, as it is possible to have more than one bad splice per circuit. This screen will report the worst (most frequently detected) anomaly. In this examp...

Page 10 - Compatibility; Table 1; Repeater placement is determined by the following criteria:; Compliance; Table 2

4 61223445L1-5D Description 239 H4R Installation and Maintenance Practice Compatibility The 239 H4R is used in conjunction with any T1.418 compliant span powering H4TU-C and H4TU-R. Compatible ADTRAN HDSL4 transceiver units are listed in Table 1 . Due to span power limits, the number of H4Rs permitt...

Page 11 - This device may not cause harmful interference.; Shipping Contents; The contents include the following items:; CAUTION; There are no manual option settings for the H4R.

239 H4R Installation and Maintenance Practice Installation 61223445L1-5D 5 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 inte...

Page 12 - All connections are made through card edge connectors.; provides the card edge pin assignments.; The H4R dissipates a maximum of 5.4 watts.; Table 3; HDSL4 DEPLOYMENT GUIDELINES; Table 3. H4R Card Edge Pin Assignments

6 61223445L1-5D Connections 239 H4R Installation and Maintenance Practice 4. CONNECTIONS All connections are made through card edge connectors. Table 3 provides the card edge pin assignments. CAUTION The H4R dissipates a maximum of 5.4 watts. NOTE Ensure that the chassis ground is securely connected...

Page 13 - H4R CAPACITY GUIDELINES

23 9 T 1 HDSL4 R epea te r (H4R ) Installa tion and Maintenan ce Pra ctice H4R Cap acity Guid eli nes 61 2234 45L1-5D 7 6. H4R CAPACITY GUIDELINES The ADTRAN 239 H4R is designed for installation in a prewired apparatus case, and the capacity guidelines for deployment are defined in Table 3 and Table...

Page 15 - Table 6; for a listing of the; Table 6. Front Panel LEDs

239 H4R Installation and Maintenance Practice Front Panel LEDs 61223445L1-5D 9 7. FRONT PANEL LEDS The ADTRAN 239 H4R provides front panel LEDs to display status information. See Table 6 for a listing of the front panel LEDs and their indications. Table 6. Front Panel LEDs Unit Label Indication Desc...

Page 16 - “Appendix A, Warranty”; Table 7

10 61223445L1-5D Maintenance 239 H4R Installation and Maintenance Practice 8. MAINTENANCE The HDSL4 239 T1 HDSL4 Repeater (H4R) requires no routine maintenance for normal operation. In case of equipment malfunction, perform an in-band loopback from the Central Office. If a malfunction is confirmed, ...

Page 17 - Specification; Maximum Loop Resistance:

239 H4R Installation and Maintenance Practice Specifications 61223445L1-5D 11 Table 7. 239 T1 HDSL4 Repeater (H4R) Specifications Specification Description Loop Interface Modulation Type: Mode: Number of Pairs: Line Rate: Baud Rate: Loop Loss: Bridged Taps: Performance: H4TU-C Transmit Power (Data) ...

Page 19 - WARRANTY AND CUSTOMER SERVICE; Contact CAPS prior to returning equipment to ADTRAN.

61223445L1-5D A-1 Appendix A Warranty WARRANTY AND CUSTOMER SERVICE ADTRAN will replace or repair this product within the warranty period if it does not meet its published specifica-tions or fails while in service. Warranty information can be found at www.adtran.com/warranty . Refer to the following...