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Cisco ONS 15454 Procedure Guide, R5.0
March 2005
Chapter 20 DLPs A300 to A399
DLP-A373 Install a MiniBNC EIA
DLP-A373 Install a MiniBNC EIA
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.
Note MiniBNC 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.
Note MiniBNC or Universal Backplane Interface Connector (UBIC) EIAs are required when using
high-density (48-port DS-3 and DS3XM-12) electrical cards.
Step 1 Locate the correct MiniBNC EIA for the side you want to install, and remove the MiniBNC EIA from
the packaging.
Step 2 Verify that none of the pins on the MiniBNC EIA are bent.
Step 3 If present, remove the yellow connector protectors.
Step 4 Line up the connectors on the card with the mating connectors on the backplane, making sure the keys
on the back of the card line up properly with the backplane. Push the card with consistent pressure until
the connectors fit together firmly.
Caution Do not force the MiniBNC EIA onto the backplane if you feel strong resistance. Make sure that the
MinBNC EIA lines up properly on the backplane and that no backplane pins are bent.
Step 5 Locate the three jack screws on the MiniBNC (Figure 20-11). Starting with any thumbscrew, tighten it
a few turns and move to the next one, turning each thumbscrew a few turns at a time until all three screws
are hand tight (Figure 20-12).
Caution Tightening the jack screws unevenly could cause damage to the MiniBNC connectors.
Purpose This task installs a MiniBNC electrical interface assembly (EIA). You can
use MiniBNC EIAs with DS-1, DS-3, or DS3XM cards.
Tools/Equipment #2 Phillips screwdriver
Small slot-head screwdriver
6 perimeter screws, 6-32 x 0.375-inch Phillips head (P/N 48-0422-01)
MiniBNC, A-side (15454-xxxx) EIA panel and/or MiniBNC, B-side
(15454-xxx) EIA panel
Prerequisite Procedures None
Required/As Needed As needed
Onsite/Remote Onsite
Security Level None
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