15-44
Cisco ONS 15454 DWDM Installation and Operations Guide, R6.0
September 2005
Chapter 15 Shelf Hardware Reference
15.13.2 ONS 15454 ETSI Power and Ground
The existing ground post is a #10-32 bolt. The nut provided for a field connection is also a #10 AWG
(2.588 mm² [0.1018 inch]), with an integral lock washer. The lug must be a dual-hole type and rated to
accept the #6 AWG (4.115 mm² [0.162 inch]) cable. Two posts are provided on the ONS 15454 ANSI to
accommodate the dual-hole lug.
shows the location of the ground posts.
Figure 15-41
Ground Posts on the ONS 15454 ANSI Backplane
15.13.2 ONS 15454 ETSI Power and Ground
The ONS 15454 ETSI has redundant –48 VDC power connectors on the MIC-A/P and MIC-C/T/P
faceplates.
To install redundant power feeds, use the two power cables shipped with the ONS 15454 ETSI and one
ground cable.
For details, see the
“16.3.1 MIC-A/P FMEC” section on page 16-21
Caution
Only use the power cables shipped with the ONS 15454 ETSI.
15.14 ONS 15454 ANSI Alarm, Timing, LAN, and Craft Pin
Connections
Pin connections are provided on the ONS 15454 ANSI backplane. For information about
ONS 15454 ETSI connections, see the
“15.8 ONS 15454 ETSI Front Mount Electrical Connection”
Caution
Always use the supplied 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.
The ONS 15454 ANSI has a backplane pin field located at the bottom of the backplane. The backplane
pin field provides 0.045 inch
2
(29 mm
2
) wire-wrap pins for enabling external alarms, timing input and
output, and craft interface terminals. This section describes the backplane pin field and the pin
assignments for the field.
shows the wire-wrap pins on the backplane pin field. Beneath
each wire-wrap pin is a frame ground pin. Frame ground pins are labeled FG1, FG2, FG3, etc. Install the
ground shield of the cables connected to the backplane to the ground pin that corresponds to the pin field
used.
FRAME GROUND
61852
Attach #10 AWG
Summary of Contents for ONS 15454 DWDM
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