DS3 SPOT Bays (CLEC and TIE Bay) Installation and Maintenance Guide)

Transcription

1 ADCP-0-0 Issue October 999 DS SPOT Bays (CLEC and TIE Bay) Installation and Maintenance Guide) Content Page INTRODUCTION... Revision History... Trademark Information... Related Publications... Admonishments... GENERAL... DESCRIPTION.... DS CLEC Bay.... DS TIE Bay... INSTALLATION.... DS CLEC and TIE Bay Installation.... Cable Routing... 9 CUSTOMER INFORMATION AND ASSISTANCE... INTRODUCTION This guide provides the installation and maintenance procedures for the DS Single Point of Termination (SPOT) Bays which include the Competitive Local Exchange Carrier bay (CLEC) and the TIE bay. Revision History ISSUE DATE REASON FOR CHANGE Issue 0/9 Original Issue 0/99 Update to current format standards. Trademark Information ADC and ADC Telecommunications are registered trademarks of ADC Telecommunications, Inc. 00 Rev A Page 999, ADC Telecommunications, Inc.

2 ADCP-0-0 Issue October 999 Related Publications Listed below are related manuals and their publication numbers. Copies of these publications can be ordered by contacting the ADC Technical Assistance Center at (in U.S.A. or Canada) or , extension (outside U.S.A. and Canada). Title/Description ADCP Number The Digital Distribution Point Application and Planning Guide 0-00 Contains descriptions of the products and services that ADC developed for use with Digital Cross-Connect Systems (DCS) and additional termination/access applications like collocation and outside plant (OSP). DDP- Installation Guide 0-0 Contains general installation procedures for the DS Digital Distribution Point (DDP-) panel. DDP- Engineering Guide 0-0 Contains configuration guidelines, cable preparation and instructions, and descriptions for the the DDP- rack. Admonishments Important safety admonishments are used throughout this manual to warn of possible hazards to persons or equipment. An admonishment identifies a possible hazard and then explains what may happen if the hazard is not avoided. The admonishments in the form of Dangers, Warnings, and Cautions must be followed at all times. These warnings are flagged by use of the triangular alert icon (seen below), and are listed in descending order of severity of injury or damage and likelihood of occurrence. Danger: Danger is used to indicate the presence of a hazard that will cause severe personal injury, death, or substantial property damage if the hazard is not avoided. Warning: Warning is used to indicate the presence of a hazard that can cause severe personal injury, death, or substantial property damage if the hazard is not avoided. Caution: Caution is used to indicate the presence of a hazard that will or can cause minor personal injury or property damage if the hazard is not avoided. Page 999, ADC Telecommunications, Inc.

3 ADCP-0-0 Issue October 999 GENERAL A typical DS SPOT bay configuration consists of one CLEC bay and one TIE bay that provide a centralized termination and interconnection point for DS (. Mbps) circuits between the network element (collocator) and the Digital Cross-Connect System (DSX). The DS CLEC and TIE bays are designed to: Provide a common demarcation point between the collocator and DSX facilities; Provide a test and cross-connection point without overloading the existing facilities; Provide a concentration point by connecting only those circuits that the collocator is ordering rather than a complete termination for all ports installed. Note: Throughout this manual the facilities and termination points for the network element (collocator) and the DSX facility may also be referred to as the collocator (Z-side) and the DSX facility (A-side), respectively. It is important to note there are critical cable length constraints with DS signals that must be observed to protect signal integrity. Table list the maximum length of cable between network elements and the equal level point (DSX) for DS signals. Note: The equal level point is a designed point within a circuit where the electronic signal matches specific characteristics defined by the American National Standards Institute (ANSI). Table. DS Cable Length Constraints CABLE TYPE CHARACTERISTICS MAXIMUM LENGTH A 0 AWG, ohm 0 feet (. m) A AWG, ohm feet (. m) The DS SPOT bays utilize both A and A type coaxial cable for equipment, jumper, and tie cables. Typically, the A cable is used for both equipment and jumper cables and A cable is used for tie cables. The equipment cables connect circuits to/from the collocator and the CLEC bay (Z-side), and the jumper cables connect circuits to/from the CLEC and TIE bay. The tie cables connect circuits to/from the TIE bay and the DSX facility (A-side). When using both A and A cable types together, the maximum length varies depending on the amount of each type being used. Table list the total circuit length when using various lengths of both A and A cable. Page 999, ADC Telecommunications, Inc.

4 ADCP-0-0 Issue October 999 Table. Total Circuit Lengths for Various Lengths of A and A Cable TOTAL CIRCUIT LENGTH A CABLE LENGTH A CABLE LENGTH DESCRIPTION. DS CLEC Bay The DS CLEC bay can accommodate up to eight DDP- panels ( DS circuits) but is only equipped with two panels ( DS circuits) with the initial installation. When installing additional DDP- panels in the bay, it is recommended that they be stacked one above the other. There are no active components in the CLEC bay; therefore, a fuse panel is not required. The DS CLEC bay is feet (. m) high,. inches (. cm) wide, and inches (. cm) deep and is configured with a -inch footprint (-inch front, -inch rack, and a -inch rear)... DDP- Panel The DDP- panel is a double high panel that connects up to DS circuits on separate slots of the panel. See Figure. The rear of the panel consists of upper and lower slots. Each slot accommodates one rear interface unit (RIU). Each RIU consists of two LCC type coaxial connectors for A and Z IN/OUT terminations. The upper RIU is associated with the RIU directly below it; i.e., each card slot interfaces one direction of a DS circuit; therefore, two slots are required for one bi-directional DS circuit. The A OUT (DSX) and Z IN (collocator) cables are terminated at the upper RIU on the two rows of LCC connectors; the Z OUT (collocator) and the A IN (DSX) cables are terminated at the lower RIU on the two rows of LCC connectors, respectively. Page 999, ADC Telecommunications, Inc.

5 ADCP-0-0 Issue October 999 The front of the panel consists of upper and lower card access slots that accommodate optional circuit access cards. The circuit access cards are not necessary for normal operation and are used to perform maintenance functions such as monitoring, patching, and loopback of collocation and DSX- circuits. Inserting a circuit access card does not interrupt service. A dual cable support bar (provided) provides for equipment and jumper cable management. The DDP- panel is inches (0. cm) high, inches (. cm) wide, and inches (0. cm) deep. For additional information on the DDP- panel, refer to ADCP-0-0, DDP- Installation Guide. Note: When assigning collocators to a CLEC bay, do not assign more than one collocator per DDP- panel; assign individual collocators to their own separate DDP- panel. DESIGNATION CARD (BOTH SIDES) NETWORK OUT 9 0 NETWORK OUT CARD ACCESS SLOTS FRONT VIEW (COVERS OPEN) FRONT COVER STORAGE AREAS A OUT CHASSIS GROUND Z IN 0 9 Z OUT A IN 0 9 REAR INTERFACE UNIT(S) REAR VIEW EIA OR WECO COMPATIBLE MOUNTING SLOTS DUAL CABLE SUPPORT BAR 9-A Figure. DDP- Panel and Dual Cable Support Bar Page 999, ADC Telecommunications, Inc.

6 ADCP-0-0 Issue October 999. DS TIE Bay The DS TIE bay can accommodate up to sixteen -circuit cross-aisle panels but is only equipped with eight panels on the initial installation to provide for 9 separate tie pairs. A fully equipped bay can accommodate up to DS tie circuits. Each cross-aisle panel will connect directly to a DSX- panel within the DSX- line-up. There are no active components in the TIE bay; therefore, a fuse panel is not required... -Circuit Cross-Aisle Panel The -circuit cross-aisle panel, shown in Figure, is a -circuit BNC connector panel. The panel provides a centralized location for terminating DSX- circuits (at the front of the panel) and connecting jumpers (at the rear of the panel). The jumpers are routed to collocation circuits terminated in the DS CLEC bay. The front and rear of the cross-aisle panel consist of two rows, each containing BNC type connectors. Two BNC connectors, one above the other, are required for each circuit. The upper row of BNC connectors is designated OUT and the lower row is designated IN. Each BNC connector extends through the sheet metal and appears on the front and rear of the panel. The front of the panel also contains tie down lances to secure tie cables to/from the DSX facility and provide for cable management. TYPICAL CIRCUIT BNC ( PLACES) HINGED FRONT COVER FRONT VIEW SHELF GROUND REAR VIEW 9-A Figure. -Circuit Cross-Aisle Panel For every -circuit cross-aisle panel equipped in the TIE bay, a DSX- cross-connect panel (e.g., DSX-H-MB-WC rear cross-connect, DSX-H-SB-WC rear cross-connect, or DSX-F-MB-E0C front cross-connect) shall be placed in the DSX facility to accommodate the coaxial cabling required. Cross-connect panels should be cabled to their associated DSX panels in groups of circuits to have a one-to-one match. Page 999, ADC Telecommunications, Inc.

7 ADCP-0-0 Issue October 999 INSTALLATION Warning: Never install telephone equipment in a wet location or during a lightning storm. When installing or modifying telephone lines, disconnect lines at the network interface before working with uninsulated lines or terminals to prevent electrical shock.. DS CLEC and TIE Bay Installation This section is provided as a reference for installing the DS CLEC and TIE bay in either a single or dual line-up configuration. Install the DS CLEC and TIE bays in the facility according to standard configuration of the operating company. For complete rack installation procedures, refer to ADCP-0-, Unequal Flange Rack Installation Guide. A typical DS SPOT bay line-up configuration consists of three CLEC bays and two TIE bays. Figure shows a typical five bay DS line-up. A CABLE TO/FROM COLLOCATOR THIS FIVE BAY LINE UP WILL TERMINATE DS CLEC CIRCUITS AND DS TIE CABLES CIRCUITS CIRCUITS CIRCUITS CIRCUITS DS CLEC BAY ( CIRCUITS) DS TIE BAY ( TIE CABLES) DS CLEC BAY ( CIRCUITS) DS TIE BAY ( TIE CABLES) DS CLEC BAY ( CIRCUITS) 0-A Figure. Typical DS SPOT Bay Line-Up (Front View).. Floor Space Planning Floor space planning for the DS CLEC and TIE bays not only involves identifying and reserving floor space for the collocator cages, but also reviewing cable rack routes and distances to cross-connect facilities. DS CLEC and TIE bays can be placed in either a single or a dual line-up. Page 999, ADC Telecommunications, Inc.

8 ADCP-0-0 Issue October Single Line-Up When installing the DS CLEC and TIE bays in a single line-up, it is recommended to start from the center (middle) of the line-up and grow outward. For example, the non-growth ends of the CLEC and TIE bays are butted together and the DS line-up will grow in one direction and the DS line-up will grow in the other direction. See Figure. Note: The DS CLEC to TIE bay ratio is three-to-two (i.e., install three DS CLEC bays for every two DS TIE bays). An end guard must be installed at both ends of the line-up for cable protection. Also, a -inch (. cm) spacer is required at each end of the lineup (between the bay and end guard), and a 0-inch (. cm) spacer is required between each CLEC and TIE bay to ensure proper cable management. SPOT BAYS DS LINE UP RATIO CLEC : TIE '0" FRONT AISLE SEQUENCE REPEATS SEQUENCE REPEATS C- T- C- T- C- C- T- DS LINE UP RATIO CLEC : TIE END GUARD REQUIRED AT EACH END OF LINE UP 0-INCH (. CM) SPACER REQUIRED BETWEEN EACH BAY '0" BACK AISLE LEGEND: C = CLEC BAY DS T = TIE BAY DS C = CLEC BAY DS T = TIE BAY DS -INCH (. CM) SPACER REQUIRED AT EACH END OF LINE UP 0-A Figure. Single Line-Up Configuration for the CLEC and TIE Bays.. Dual Line-Up Although a dual line-up can be provisioned in central offices where space is not a problem and collocation growth is high, a single line-up should be used in most cases. In a dual line-up configuration, the DS bays are installed in one line-up and the DS bays are installed in another. An end guard must be installed at each end of each line-up for cable protection. Also, a -inch (. cm) spacer is required at the end of each line-up (between the bay and end guard) with 0-inch (. cm) spacer installed between each CLEC and TIE bay to ensure proper cable management. See Figure. Page 999, ADC Telecommunications, Inc.

9 ADCP-0-0 Issue October 999 '0" AISLE (BACK) -INCH (. CM) SPACER REQUIRED AT EACH END OF LINE UP T- '0" AISLE (FRONT) SEQUENCE REPEATS C- SEQUENCE REPEATS C- T- C- T- C- DS LINE UP RATIO CLEC : TIE END GUARDS (BOTH SIDES) DS LINE UP RATIO CLEC : TIE 0-INCH (. CM) SPACER REQUIRED BETWEEN EACH BAY '0" AISLE (BACK) LEGEND: C = CLEC BAY DS T = TIE BAY DS C = CLEC BAY DS T = TIE BAY DS 0-A Figure. Dual Line-Up Configuration for CLEC and TIE Bays. Cable Routing Warning: Never install telephone equipment in a wet location or during a lightning storm. When installing or modifying telephone lines, disconnect lines at the network interface before working with uninsulated lines or terminals to prevent electrical shock. Figure shows an overall block diagram of the signal flow between the collocator network element (Z side) and the DSX facility (A side). COLLOCATOR NETWORK ELEMENT (Z SIDE) DSX FACILITY (A SIDE) OUT (TX) COLLOCATOR NETWORK ELEMENT (Z SIDE) SPOT BAYS DS CLEC BAY (DDP- PANEL) Z OUT A OUT DS TIE BAY (CROSS-AISLE PANEL) OUT OUT DSX- XO XO DSX- OUT OUT (TX) DSX FACILITY (A SIDE) IN (RX) Z IN A IN IN IN XI XI IN IN (RX) EQUIPMENT CONNECTIONS JUMPERS TIE CABLES JUMPERS EQUIPMENT CONNECTIONS 99-A Figure. Signal Flow from the Collocator to the DSX Facility Page 9 999, ADC Telecommunications, Inc.

10 ADCP-0-0 Issue October Cable Route Planning When deciding on the floor space location for the DS CLEC and TIE bays, keep in mind the maximum distance allowed for the cables between the TIE bay and the DSX facility is 0 feet ( m) using A type cable (refer to Table when using both A and A cable). If the distance is greater than 0 feet, intra-office repeaters may be required. The repeaters may be physically situated in any convenient location within the toll area, since build-out circuitry allows equalization between 0 and 0 feet. The maximum distance between the TIE bay and the DSX facility (repeaters installed, A cable) is 900 feet (. m). Figure shows the overall cable routing procedure recommended for the DS CLEC and TIE bays. NETWORK ELEMENT (Z SIDE) DS CLEC BAY A CABLES DS TIE BAY A CABLES JUMPERS ARE ROUTED BETWEEN THE BAYS VIA JUMPER TROUGHS DSX FACILITY (A SIDE) NETWORK ELEMENT CABLES ARE TERMINATED ON THE "Z" CONNECTORS (LCC TYPE) ON THE REAR OF THE DDP- PANEL DDP- PANEL(S) REMOVE -INCH BLANK PANEL(S) TO ACCESS BNC CONNECTORS ON THE FRONT OF THE PANEL TIE CABLES ARE ROUTED TO THE FRONT OF THE CROSS-AISLE PANEL THROUGH THE CABLE ACCESS OPENING IN THE SIDE OF THE BAY JUMPERS ARE TERMINATED ON THE "A" CONNECTORS (LCC TYPE) ON THE REAR OF THE DDP- PANEL AND ROUTED TO CONNECTORS (BNC TYPE) ON THE REAR OF THE CROSS-AISLE PANEL -CIRCUIT CROSS-AISLE PANEL(S) 00-A Figure. Overall Cable Routing Procedure for DS CLEC and TIE Bays (Rear View) Page 0 999, ADC Telecommunications, Inc.

11 ADCP-0-0 Issue October Routing Equipment Cables from the Collocator to the DS CLEC Bay The A coaxial cables from the collocator (Z-side) enter the DS CLEC bay from the top of the bay and are routed in the duct area (located behind the jumper rings) of the bay. Route the cables corresponding to DDP- circuits through down the right side of the bay (as viewed from the rear) and cables corresponding to DDP- circuits through down the left side of the bay. One DDP- panel accommodates termination for one collocator. From the collocator, route the A cables as follows:. Route the cables (via cable racking) to the top rear and down the side (duct area) of the DS CLEC bay to the respective DDP- panel. Make sure to route the cables under the corresponding cable support bar. See Figure. DUCT AREA CABLE TIE BRACKET WAX LACING JUMPER RING 0 9 FANNING FINGERS DUAL CABLE SUPPORT BAR SECURE CABLES TO DUAL CABLE SUPPORT BAR 0-A DS CLEC BAY Figure. DS CLEC Bay Cable Routing (Rear View) Page 999, ADC Telecommunications, Inc.

12 ADCP-0-0 Issue October 999. Using wax lacing, secure the cables to the cable tie brackets on the side of the bay. Refer to the upper, expanded view in Figure. Note: The dual cable support bar consists of two bars and is attached to the frame with two screws (one on each side). The bar that is closest to the panel is equipped with fanning fingers to provide for jumper cable management. The cable support bar also provides a location to secure the equipment cables to/from the collocator.. Label the cables for each circuit and terminate the cables on the Z IN and OUT (collocation) connectors on the rear of the panel.. When all the cables have been terminated, dress up the cables according to standard practice, and secure them to the dual cable support bar with wax lacing. Refer to the lower, expanded view in Figure. Note: To ensure a solid ground connection, scrape-off a small section of paint on the rack under the ground wire termination point and apply a no-ox compound to the bare metal on the rack before terminating the ground wire.. Terminate a AWG GND wire (green) from the ground terminal on the upper, right rear of the DDP- panel to the rack ground terminal on the side of the bay as shown in Figure 9. DDP- PANEL GROUND TERMINAL GROUND WIRE CHASSIS GROUND RACK GROUND TERMINAL RACK -A Figure 9. DDP- Panel Ground Connection.. Routing Tie Cables From DSX- to DS TIE Bay The tie cables (A type) from the DSX- bay enter the TIE bay from the top of the bay and are routed down the bay (via the duct area, located behind the jumper rings) and then to the front of the cross-aisle panel (via the cable access opening in the side of the bay). Route the cables that will terminate on the cross-aisle panel BNC connectors through down the left side of the bay (as viewed from the rear) and cables that will terminate on connectors through down the right side of the bay. From the DSX- bay, route the tie cables as follows: Page 999, ADC Telecommunications, Inc.

13 ADCP-0-0 Issue October 999. From the DSX facility, route the tie cables (via cable racking) to the top rear and down the side of the TIE bay to the respective cross-aisle panel.. Remove the -inch (0. cm) blank panel(s) covering the cross-aisle panel(s) on the lower front of the TIE bay to access the BNC connectors on the front of the panel. Note: Each cross-aisle panel is equipped with stand-off brackets (each side) that provide a cable access opening that allow the cables to be routed to the front of the panel. See Figure 0.. Route the cables through the cable access opening to the front of the cross-aisle panel. STANDOFF BRACKET CABLE ACCESS OPENING 0-A Figure 0. Cross-Aisle Panel Stand-Off Bracket and Cable Access Opening (Rear View). Using wax lacing, secure the cables to the cable tie brackets (in the duct area) on the side of the bay.. Label the cables for each circuit and terminate each cable from the DSX- jack panel (in the DSX facility) to its respective BNC connector on the front of the cross-aisle panel. When all cables have been terminated, secure them to the tie down lances on the front of the panel and re-install the blank panel(s). Note: Each -circuit cross-aisle panel is equipped with two rows of BNC connectors (upper and lower) on the front and rear of the panel. BNC connectors on the front of the panel provide for tie cable terminations to/from the DSX- line-up and the BNC connectors on the rear of the panel provide for jumper terminations to/from the collocator, via the DDP- panel in the CLEC bay. Page 999, ADC Telecommunications, Inc.

14 ADCP-0-0 Issue October Routing Jumpers Between DS CLEC and TIE Bays Figure shows the recommended rules for wire routing of jumpers. Using Figure as reference, route jumpers from circuits in the DS CLEC bay to circuits in the DS TIE bay as follows: Note: Jumpers consist of both LCC type coaxial ends which terminate at the rear of the DDP- panel in the CLEC bay and BNC type coaxial ends which terminate at the rear of the cross-aisle panel in the TIE bay. CLEC BAY TIE BAY D C A B RECOMMENDED RULES FOR WIRE ROUTING OF JUMPERS: A. ROUTE ALL CABLES TERMINATED IN THE LOWER LEFT QUADRANT OF THE BAY TO THE LEFT AND DOWN THE SIDE OF THE BAY TO THE LOWER CABLE TROUGH AND THEN ACROSS TO THE ADJACENT BAY. B. ROUTE ALL CABLES TERMINATED IN THE LOWER RIGHT QUADRANT OF THE BAY TO THE RIGHT AND DOWN THE SIDE OF THE BAY AND THEN ACROSS TO THE ADJACENT BAY. C. ROUTE ALL CABLES TERMINATED IN THE UPPER RIGHT QUADRANT OF THE BAY TO THE RIGHT AND UP THE SIDE OF THE BAY AND THEN ACROSS TO THE ADJACENT BAY. D. ROUTE ALL CABLES TERMINATED IN THE UPPER LEFT QUADRANT OF THE BAY TO THE LEFT AND UP THE SIDE OF THE BAY AND THEN ACROSS THE UPPER CABLE TROUGH TO THE ADJACENT BAY. 0-A Figure. Recommended Rules for Wire Routing of Jumpers. At the DS CLEC bay, terminate the jumpers to their respective circuits on the A IN and OUT LCC type connectors on the rear of the DDP- panel. See expanded view in Figure.. Route the jumper(s) through the respective fanning finger and to the right or left of the bay, depending on circuit location, (i.e., cables terminated on circuits through are routed to the right of the bay and cables terminated on circuits through are routed to the left). Page 999, ADC Telecommunications, Inc.

15 CHASSIS GROUND ADCP-0-0 Issue October 999. Route the jumpers up or down the side of the bay, depending on panel location (refer to Figure ), via jumper rings mounted on the side(s) of the bay (refer to Figure ).. From the DS CLEC bay, route the jumpers to the TIE bay, via jumper troughs at the top and bottom of each bay, through the jumper rings on the side(s) of the TIE bay, and to their respective circuits on the rear of the cross-aisle panel, as shown in Figure. TERMINATE EQUIPMENT CABLES TO/FROM THE COLLOCATOR ON "Z IN" AND "Z OUT" CONNECTORS UPPER JUMPER TROUGH A OUT Z IN Z OUT JUMPERS TO/FROM DS TIE BAY A IN TERMINATE JUMPERS TO/FROM THE DS TIE BAY ON THE "A IN" AND "A OUT" CONNECTORS ROUTE JUMPERS THROUGH JUMPER RINGS JUMPER RING(S) DDP- PANEL(S) DUAL CABLE SUPPORT BAR DS CLEC BAY 0 Figure. Jumper Cable Routing To/From the DDP- Panel (Rear View) Page 999, ADC Telecommunications, Inc.

16 ADCP-0-0 Issue October 999 RECOMMENDED JUMPER ROUTING UPPER JUMPER TROUGH ONE CIRCUIT ( PLACES) TOP ROW = OUT BOTTOM ROW = IN JUMPERS TO/FROM DS CLEC BAY (REAR VIEW) JUMPER RING(S) ROUTE JUMPERS TO/FROM CIRCUITS THROUGH TO THE LEFT JUMPER(S) ROUTE JUMPERS TO/FROM CIRCUITS THROUGH TO THE RIGHT ROUTE JUMPERS THROUGH JUMPER RINGS -CIRCUIT CROSS-AISLE PANEL 0-A DS TIE BAY Figure. Jumper Cable Routing To/From Cross-Aisle Panel (Rear View). Table provides an example of an assignment table for recording circuit terminations between the CLEC Bay, TIE Bay, and the DSX- line-up. Table. CLEC Bay, TIE Bay, and DSX- Bay Assignment Table COLLOCATION CAPACITY ASSIGNMENT TABLE Line SPOT TIE/SPOT DSX- Line-Up NO Bay/ RR POS NO CKT/ JK NO Collocator name Bay/ RR POS NO CKT/ JK NO DSX Bay NO POS NO CKT/ JK NO Page 999, ADC Telecommunications, Inc.

17 ADCP-0-0 Issue October 999 CUSTOMER INFORMATION AND ASSISTANCE For customers wanting information on ADC products or help in using them, ADC offers the services listed below. To obtain any of these services by telephone, first dial the central ADC telephone number, then dial the extension provided below. The central number for calls originating in the U.S.A. or Canada is For calls originating outside the U.S.A. or Canada, dial country code then dial Sales Assistance Extension 000 Systems Integration Extension 000 BCG Technical Assistance Center Extension Product Return Department Extension Quotation Proposals Ordering and Delivery General Product Information Complete Solutions (from Concept to Installation) Network Design and Integration Testing System Turn-Up and Testing Network Monitoring (Upstream or Downstream) Power Monitoring and Remote Surveillance Service/Maintenance Agreements Systems Operation Technical Information System/Network Configuration Product Specification and Application Training (Product-Specific) Installation and Operation Assistance Troubleshooting and Repair ADC Return Authorization number and instructions must be obtained before returning products. Product information may also be obtained using the ADC web site at or by writing ADC Telecommunications, Inc., P.O. Box 0, Minneapolis, MN 0-0, U.S.A. Contents herein are current as of the date of publication. ADC reserves the right to change the contents without prior notice. In no event shall ADC be liable for any damages resulting from loss of data, loss of use, or loss of profits and ADC further disclaims any and all liability for indirect, incidental, special, consequential or other similar damages. This disclaimer of liability applies to all products, publications and services during and after the warranty period. This publication may be verified at any time by contacting ADC s Technical Assistance Center at , extension (in U.S.A. or Canada) or (outside U.S.A. and Canada), or by writing to ADC Telecommunications, Inc., Attn: Technical Assistance Center, Mail Station #, P.O. Box 0, Minneapolis, MN 0-0, U.S.A. 999, ADC Telecommunications, Inc. All Rights Reserved Printed in U.S.A. Page