Table Of Contents
Installing and Operating UBIC-V EIAs in the Cisco ONS 15454
Product Numbers: 15454-EIA-UBICV-A, 15454-EIA-UBICV-B
This document describes how to install and remove Universal Backplane Interface Connector - Vertical (UBIC-V) Electrical Interface Assemblies (EIAs) for the Cisco ONS 15454. UBIC-V EIAs are typically pre-installed on the ONS 15454 high-density shelf (15454-SA-HD) when ordered with the system. Use this document in conjunction with the Cisco ONS 15454 Procedure Guide and Cisco ONS 15454 Reference Manual when working with UBIC-V EIAs or any other system components.
This document contains the following sections:
UBIC-V EIA Description
UBIC-V EIAs are attached to the shelf assembly backplane to provide up to 112 transmit and receive DS-1 connections through 16 SCSI connectors per side (A and B) or 96 transmit and receive DS-3 connections. The UBIC-V EIAs are designed to support DS-1, DS-3, and EC-1 signals. The appropriate cable assembly is required depending on the type of signal.
You can install UBIC-Vs on one or both sides of the ONS 15454. As you face the rear of the ONS 15454 shelf assembly, the right side is the A side (15454-EIA-UBICV-A) and the left side is the B side (15454-EIA-UBICV-B). The diagrams adjacent to each row of SCSI connectors indicate the slots and ports that correspond with each SCSI connector in that row, depending on whether you are using a high density (HD) or low density (LD) configuration.
Note UBIC-V EIAs will support use with the high-density (48-port DS-3, 56-port DS-1, and 12-port DS3XM) electrical cards. These cards are not available until a future release.
Figure 1 shows the A- and B-side slot assignments.
Figure 1 UBIC-V Slot Designations
UBIC-V EIA Installation
If you are installing UBIC-V EIAs after the shelf assembly is installed, plug the UBIC-V EIA into the backplane. The UBIC-V backplane must replace the standard sheet metal cover to provide access to the cable connectors. The UBIC-V sheet metal covers use the same screw holes as the standard sheet metal covers, but they have 12 additional holes for panhead screws and three holes for jack screws so you can screw down the cover and the board using standoffs on the UBIC-V board.
When installed with the standard door and cabling on the backplane, the ONS 15454 shelf measures approximately 15.7 inches deep when partially populated with backplane cables, 16.1 inches deep when fully populated, and 16.75 inches deep with the rear cover installed. When installed with the deep door and cabling on the backplane, the ONS 15454 shelf measures approximately 17.5 inches deep when partially populated with backplane cables, 17.9 inches deep when fully populated, and 18.55 inches deep with the rear cover installed.
See the "Remove the Backplane Covers" section for detailed installation procedures.
UBIC-V EIA Configurations
The UBIC-V EIA supports the following cards:
•6-port DS-3 Transmux
•12-port DS-3 Transmux
The A and B sides each host 16 high-density, 50-pin SCSI connectors. The A-side maps to Slots 1 through 6 and the B-side maps to Slots 12 through 17.
UBIC-V Protection Groups
In Software Releases 4.1.x and 4.6, UBIC-Vs support unprotected, 1:1, and1:N (where N < 5) protection groups. In Software R5.0 and greater, UBIC-Vs additionally support available high-density cards in unprotected and 1:N protection (where N < 2) protection groups.
Table 1 shows protection groups and their applicable slot assignments.
Table 1 UBIC-V Protection Types and Slots
Protection Type Working Slots Protection Slots
2, 4, 6, 12, 14, 16
1, 3, 5, 13, 15, 17
1, 2, 16, 17
1, 2, 4, 5, 6, 12, 13, 14, 16, 17
When using the DS-1 cables on a UBIC-V, the maximum distance is 655 feet. When using the RG-59 (734A) DS-3/EC-1 cables on a UBIC-V, the maximum distance is 450 feet. The maximum distance when using the RG179 DS-3/EC-1 cable (79 feet) is due to a higher attenuation rate for the thinner cable. Attenuation rates are calculated using a DS-3 signal:
•For RG-179, the attenuation rate is 59 dB/kft at 22 MHz.
•For RG-59 (734A) the attenuation rate is 11.6 dB/kft at 22 MHz.
The following cables are available for use with the UBIC-V EIA:
•DS-1 cable, 150 feet: 15454-CADS1-SD
•DS-1 cable, 250 feet: 15454-CADS1-ID
•DS-1 cable, 655 feet: 15454-CADS1-LD
•DS-3/EC-1 cable, 75 feet: 15454-CADS3-SD
•DS-3/EC-1 cable, 225 feet: 15454-CADS3-ID
•DS-3/EC-1 cable, 450 feet: 15454-CADS3-LD
Figure 2 shows the pin locations on the DS-1 and DS-3/EC-1 SCSI connectors.
Figure 2 Cable Connector Pins
Table 3 shows the UBIC-V SCSI connector pin assignments for the DS-1 and DS-3/EC-1 cables.
Table 3 UBIC-V DS-1 and DS-3/EC-1 Pin Assignments
Table 5 shows the UBIC-V EIA DS-1 cable wiring.
Table 5 UBIC-V EIA DS-1 Wiring
ONS 15454 Backplane Description
Before installing UBIC-V EIAs, familiarize yourself with the rear of the ONS 15454. Figure 3 shows the location of the lower backplane cover and the backplane sheet metal covers.
Figure 3 ONS 15454 Rear View (with Sheet Metal Covers Attached)
Remove the Backplane Covers
Before installing the UBIC-V EIA(s), you must prepare the backplane for installation. If a UBIC-V EIA has not been installed, you need to remove the backplane sheet metal covers to expose the UBIC-V EIA backplane-mating connectors. You will need a Phillips screwdriver for this procedure.
Step 1 To remove the lower backplane cover, using a Phillips screwdriver loosen and remove the five screws that secure it to the ONS 15454 and pull it away from the shelf assembly.
Step 2 Loosen and remove the nine perimeter screws that hold the backplane sheet metal cover(s) in place.
Step 3 Lift the panel by the bottom to remove it from the shelf assembly.
Step 4 Store the panel for later use.
Attach the backplane sheet metal cover(s) whenever EIA(s) are not installed. Figure 4 shows how to remove a sheet metal cover.
Figure 4 Removing a Sheet Metal Cover
Step 5 Loosen and remove the screw that secures the alarm and timing panel cover to the shelf. Store the alarm and timing panel cover for replacement after you install the UBIC-V EIAs.
Install the Alignment Standoffs on the ONS 15454 Shelf
Before you can install the UBIC-V EIAs, you must determine if alignment standoffs are already installed. If not, you must install the standoffs.
You will need the following equipment to install the alignment standoffs:
•#2 Phillips screwdriver
•Small flathead screwdriver
•Alignment standoffs (6) (700-19485-XX)
Step 1 Locate the alignment standoff holes on the shelf assembly where you want to install the UBIC-V EIA(s) (Figure 5). If alignment standoffs are not installed, go to Step 2. If alignment standoffs are already installed, continue with the "Install UBIC-V EIAs" section.
Figure 5 Alignment Standoff Holes
Step 2 If screws are present in the alignment standoff holes, use a Phillips screwdriver to remove them.
Step 3 Use a flathead screwdriver or 5/16-inch deep socket wrench to tighten the standoffs at 8 to 10 lbf-inch (9.2 to 11.5kgf-cm). Figure 6 shows the alignment standoffs installed on the shelf.
Figure 6 Installed Alignment Standoffs
Install UBIC-V EIAs
Caution Always use an electrostatic discharge (ESD) wristband when working with a powered ONS 15454. Plug the wristband cable into the ESD jack located on the lower-right outside edge of the shelf assembly.
You will need the following equipment to install the UBIC-V EIA:
•#2 Phillips screwdriver
•Small slot-head screwdriver
•6 perimeter screws, 6-32 x 0.375-inch Phillips head (P/N 48-0422-01)
•UBIC-V, A side (15454-EIA-UBICV-A) EIA panel and/ or UBIC-V, B side (15454-EIA-UBICV-B) EIA panel
Note UBIC-V EIAs can only be installed on shelf assembly 15454-SA-HD. 15454-SA-HD shelf assemblies are differentiated from other shelf assemblies by the blue hexagon symbol, which indicates the available high-density slots, found under Slots 1 through 3 and 15 through 17.
Step 1 Locate the correct UBIC-V EIA for the side you want to install and remove the UBIC-V EIA from the packaging.
Step 2 Verify that none of the pins on the UBIC-V EIA are bent.
Step 3 If present, remove the yellow connector protectors.
Step 4 Line up the alignment pins on the UBIC EIA with the alignment standoffs on the shelf and push the UBIC EIA with consistent pressure until the pins and standoffs fit together firmly (Figure 7).
Figure 7 UBIC-V Alignment Pins
Caution Do not force the UBIC-V EIA onto the shelf if you feel strong resistance.
Step 5 Locate the three jack screws on the UBIC-V (Figure 8). Starting with any jack screw, tighten the thumb screw a few turns and move to the next one, turning each thumb screw a few turns at a time until all three screws are hand tight (Figure 9).
Caution Tightening the jack screws unevenly could cause damage to the UBIC-V connectors.
Figure 8 UBIC-V EIA Screw Locations
Figure 9 UBIC-V EIA Jack Screw
Step 6 Use a Phillips screwdriver to install the six perimeter screws and bracket screws (P/N 48-0422-01) at 8 to 10 lbf-inch (9.2 to 11.5kgf-cm) to secure the cover panel to the backplane (Figure 8). Install the alarm and timing panel cover and insert and tighten the last perimeter screw.
Figure 10 shows a UBIC-V EIA installation.
Figure 10 Installing the UBIC-V EIA
Install the Tie-Down Bar (Optional)
This task installs the tie-down bar used to secure cabling on the rear of the ONS 15454. The tie-down bar can be used to provide a diverse path for redundant power feeds and cables. You will need the optional 5-inch tie-down bar, two accompanying screws, and a #2 Phillips screwdriver.
Note As applicable according to local site practice, install the tie-down bar where the alarm and timing pins can still be accessed.
Step 1 Align the ends of the tie-down bar with two screw holes in the appropriate location on the equipment rack.
Figure 11 shows the tie-down bar, the ONS 15454, and the equipment rack.
Figure 11 Tie-Down Bar
Step 2 Install the two screws into the rack.
Install UBIC-V EIA Cables
You will need the following equipment to install the DS-1 and DS-3/EC-1 cables on the UBIC-V EIA:
•3/16-inch flathead screwdriver
•DS-1 and DS-3/EC-1 cables, as needed:
–DS-1 cable, 150 feet: 15454-CADS1-SD
–DS-1 cable, 250 feet: 15454-CADS1-ID
–DS-1 cable, 655 feet: 15454-CADS1-LD
–DS-3/EC-1 cable, 75 feet: 15454-CADS3-SD
–DS-3/EC-1 cable, 225 feet: 15454-CADS3-ID
–DS-3/EC-1 cable, 450 feet: 15454-CADS3-LD
Note Cisco recommends that you plan for future slot utilization and fully cable all SCSI connectors you will use later.
Step 1 Starting at the lowest row where you want to install cables, place a cable connector over the desired connection point on the backplane.
Step 2 Carefully push the connector into the backplane until the notch backplane connector slides into the slot on the cable connector.
Step 3 Use the flathead screwdriver to tighten the screw at the top left of the cable connector two to three turns at 8 to 10 lbf-inch (9.2 to 11.5kgf-cm). Repeat this for the screw at the bottom right of the connector. Alternate between the two screws until both are tight.
Step 4 Repeat Steps 1 through 3 for each cable you want to install, moving from the bottom row to the top row. If you are installing a cable near cables that are already installed you may need to gently hold back the surrounding cables.
Figure 12 shows a UBIC-V with cables installed in all connectors.
Figure 12 Fully Cabled UBIC-V
Figure 13 shows a partially populated UBIC-V.
Figure 13 Partially Cabled UBIC-V
Step 5 If available, tie wrap or lace the cables to the tie bar according to Telcordia standards (GR-1275-CORE) or local site practice.
Note When routing the electrical cables be sure to leave enough room in front of the alarm and timing panel so that it is accessible for maintenance activity.
Install the Standoffs and Rear Cover
For instructions about installing the standoffs and rear cover, refer to the Installing Rear Standoffs and Mounting Bars from the Cisco ONS 15454 Shelf Accessory Kit (78-16607-XX) document.
Remove and Replace UBIC-V Cables
If you are removing a connector pair, remove the transmit (Tx) cable and then the receive (Rx) cable. You will need a 3/16-inch flathead screwdriver for this procedure.
Note If necessary and approved by local site practice, you can cut and remove cable bundling material such as tie wraps or lacing to make it easier to remove UBIC-V cables.
Step 1 To remove a UBIC-V cable, gently hold back cables from any adjacent connectors (Figure 14).
Figure 14 Removing a UBIC-V EIA Cable
Step 2 Use the flathead screwdriver to loosen and remove the screws attached to the top left and bottom right of the SCSI connector.
Step 3 Pull the connector away from the UBIC-V at a downward angle, being careful to avoid other installed cables.
Step 4 To replace a UBIC-V cable with a new one, gently hold back any cables from adjacent connectors.
Step 5 Carefully maneuver the new cable connector between installed cables and put the cable connector of the new cable over the desired connection point on the backplane.
Step 6 Gently push the connector into the backplane until the notch backplane connector slides into the slot on the cable connector.
Step 7 Use the flathead screwdriver to tighten the screw at the top left of the cable connector two to three turns. Repeat this for the screw at the bottom right of the connector. Alternate between the two screws until both are tight.
Step 8 According to local site practice, replace any cable bundling ties or lacing you removed.
Remove UBIC-V EIAs
Step 1 To remove the lower backplane cover, loosen and remove the five screws that secure it to the ONS 15454 and pull it away from the shelf assembly (Figure 3).
Step 2 Loosen and remove the six perimeter screws that hold the sheet metal cover and UBIC-V in place (Figure 8).
Step 3 Use a Phillips screwdriver to loosen each jack screw a maximum of two turns. Rotate each jack screw two turns at a time (per the rotation indicator) until all jack screws are fully disengaged (Figure 9).
Caution Loosening the jack screws unevenly could cause damage to the UBIC-V connectors.
Step 4 Grip two of the jack screws and use them to carefully pull the UBIC-V away from the shelf.
Note Attach backplane sheet metal covers whenever EIAs are not installed.
•Cisco ONS 15454 Procedure Guide
•Cisco ONS 15454 Reference Manual
•Cisco ONS 15454 Troubleshooting Guide
Obtaining Documentation and Submitting a Service Request
For information on obtaining documentation, submitting a service request, and gathering additional information, see the monthly What's New in Cisco Product Documentation, which also lists all new and revised Cisco technical documentation, at:
Subscribe to the What's New in Cisco Product Documentation as a Really Simple Syndication (RSS) feed and set content to be delivered directly to your desktop using a reader application. The RSS feeds are a free service and Cisco currently supports RSS version 2.0.
This document is to be used in conjunction with the documents listed in the "Related Documentation" section.
Cisco and the Cisco logo are trademarks or registered trademarks of Cisco and/or its affiliates in the U.S. and other countries. To view a list of Cisco trademarks, go to this URL: www.cisco.com/go/trademarks. Third-party trademarks mentioned are the property of their respective owners. The use of the word partner does not imply a partnership relationship between Cisco and any other company. (1110R)
Any Internet Protocol (IP) addresses used in this document are not intended to be actual addresses. Any examples, command display output, and figures included in the document are shown for illustrative purposes only. Any use of actual IP addresses in illustrative content is unintentional and coincidental.
© 2007 Cisco Systems, Inc. All rights reserved.