27
Unpacking and Installing the Cisco ONS 15454 Four-Shelf and Zero-Shelf Bay Assembly
78-13271-05
Install the Power and Ground
Figure 25 Wire-wrap pin layout in an ANSI shelf assembly prior to Release 3.4
Install the Power and Ground
Warning
Shut off the power from the power source or turn off the breakers before beginning work.
Warning
This equipment is intended to be grounded. Ensure that the rack is connected to common office earth
ground during normal use.
Warning
Do not mix conductors of dissimilar metals in a terminal or splicing connector where physical contact
occurs (such as copper and aluminum, or copper and copper-clad aluminum), unless the device is
suited for the purpose and conditions of use.
Warning
Connect the ONS 15454 only to a DC power source that complies with the safety extra-low voltage
(SELV) requirements in IEC 60950-based safety standards.
Warning
The ONS 15454 relies on the protective devices in the building installation to protect against short
circuit, overcurrent, and grounding faults. Ensure that the protective devices are properly rated to
protect the system, and that they comply with national and local codes.
Warning
A readily accessible fuse must be incorporated in the fixed wiring.
Warning
If you use redundant power leads to power the ONS 15454, disconnecting one lead will not remove
power from the node.
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.
TBOS
AUDVIS
FG12FG11FG10FG9FG8FG7FG6FG5FG4FG3FG2
BITS LAN
FG1
111111111111
2222222222
3333333333
4444444444
2
3
4
2
ABABAABABABABABABABA B
LOCAL ALARMSCRAFTMODEM X . 25 ACO ENVIR ALARMS
OUTIN
83019
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