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®
T200 T1 HDSL4 Repeater (H4R)
Installation and Maintenance Practice
Part Number - 61223441L1-5C
H R
1223441L1
PWR
LP1
NET
LP2
LP1
CUST
LP2
LL RL
/
(Y) (G)
CLEI: T1R6T86D_ _
October 2004
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T200 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 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 A
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T200 H4R Installation and Maintenance Practice Revision History Revision Date Description of Changes C October 2004 Updated to add Bad Splice Detect and Fast Retrain feature descriptions 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 menus, fields, and parameters. THIS FONT indicates keyboard keys (ENTER, ESC, ALT). Keys tha
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T200 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 customized training and course taught at our facil- ities or at customer sites. For more information about training, please contact us. Training Phone: 800-615-1176, ext. 7500 Training Fax: 256-963-6700 Training Emai
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Contents 1. General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 2. Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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Tables T200 H4R Installation and Maintenance Practice This page is intentionally blank. vi 61223441L1-5C
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T200 H4R Installation and Maintenance Practice General T200 T1 HDSL4 Repeater 1. GENERAL ® This practice is an installation and maintenance guide for the ADTRAN T200 T1 HDSL4 Repeater (T200 H4R). Figure 1 illustrates the front panel of the T200 H4R (P/N 1223441L1). H R 1223441L1 PWR LP1 NET LP2 LP1 CUST LP2 LL RL / (Y) (G) Figure 1. T200 T1 HDSL4 Repeater 61223441L1-5C 1
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Description T200 H4R Installation and Maintenance Practice 2. DESCRIPTION HDSL4 provides extended range T1 (DS1) transport on the telecommunications network. HDSL4 features spectral compatibility with ADSL and other transport technologies. The T200 H4R performs signal regeneration to extend the range of the HDSL4 circuit. The H4TU-C (Central Office Transceiver) unit receives DSX-1 input signals from the network through the chassis, transports them across the HDSL4 circuit, and terminates them
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T200 H4R Installation and Maintenance Practice Description View Splice Results Screen The Bad Splice Detection feature is accessed from the Troubleshooting screen via the craft access terminal of the H4TU-C or H4TU-R. Selecting the View Splice Results option from the Troubleshooting screen menu displays the screen illustrated in Figure 2. Results will be reported in the Splice Detection Results column for each transceiver: • NTF - Reported if the unit is active and no problems have been detect
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Description T200 H4R Installation and Maintenance Practice In an effort to minimize this down time, the Fast Retrain feature has been implemented. If an impairment (bad splice, for example) causes the HDSL data pump to lose frame synchronization for 500 msec or longer, instead of retraining, a fast retrain will be attempted. This abbreviated train can achieve data mode in 5 to 7 seconds. A successful fast retrain should be evident by watching the Span Status screen and by reduced unavailable
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T200 H4R Installation and Maintenance Practice Description Compliance Table 2 shows the compliance codes for the T200 H4R. The T200 H4R is NRTL listed to the applicable UL standards. The T200 H4R is to be installed in a restricted access location and in a Type “B” or “E” enclosure only. Table 2. Compliance Codes Code Input Output Power Code (PC) C C Telecommunication Code (TC) X X Installation Code (IC) A – This device complies with Part 15 of the FCC rules. Operation is subject to the follow
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Installation T200 H4R Installation and Maintenance Practice 3. INSTALLATION C A U T I O N ! SUBJECT TO ELECTROSTATIC DAMAGE OR DECREASE IN RELIABILITY. HANDLING PRECAUTIONS REQUIRED. After unpacking the T200 H4R, inspect it for damage. If damage has occurred, file a claim with the carrier, then contact ADTRAN Customer Service. Refer to “Appendix A, Warranty” for further information. If possible, keep the original shipping container for returning the T200 H4R for repair or for verification of
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T200 H4R Installation and Maintenance Practice Connections 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 to the apparatus case. Ground pin designations are defined in Table 3. Table 3. H4R Card Edge Pin Assignments Pin Description 1 Ground 5 HDSL4 Loop 1 Tip (Customer) 7 HDSL4 Loop 1 Tip (Network) 11 Ground 13 HDSL4
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Front Panel LEDs T200 H4R Installation and Maintenance Practice 6. FRONT PANEL LEDS The ADTRAN T200 H4R provides front panel LEDs to display status information. See Table 4 for a listing of the front panel LEDs and their indications. Table 4. Front Panel LEDs Unit LED Indication Description PWR Off No span power is present On Span power is present H R 1223441L1 LP1/LP2 Off No span power is present NET PWR Solid Green Synchronized with an Signal to Noise Ratio (SNR) margin greater LP1
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T200 H4R Installation and Maintenance Practice H4R Capacity Guidelines 7. H4R CAPACITY GUIDELINES The ADTRAN T200 H4R is designed for installation in a prewired Type 200 or Type 400 enclosure. Capacity guidelines for deployment are provided in Table 5. Table 5. T200 H4R Enclosure Capacity Part Number Unit Description Capacity 1150043l1 4-Slot, Air filled 4 1150043L2 4-Slot, Gel filled 4 1150087L1 T200 single slot (above ground only) 1 1150090Lx 24-Slot, T400 high capacity cabinet (Pad or Pole
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Specifications T200 H4R Installation and Maintenance Practice Table 6. T200 T1 HDSL4 Repeater Specifications Specification Description Loop Interface Modulation Type: 16 TC PAM Mode: Full Duplex, Partially overlapped echo canceling Number of Pairs: 2 Line Rate: 1.552 Mbps Baud Rate: 261.333 k baud Loop Loss: Refer to “HDSL4 Deployment Guidelines” on page 7. Bridged Taps: Single Taps < 2000 ft., Total Taps < 2500 ft. Performance: Compliant with T1.418-2000 (HDSL4 Standard, Issue 2) H4TU-C Tr
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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 subsections for sales, 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 Techni
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T200 H4R Installation and Maintenance Practice ® A-2 61223441L1-5C
