Installation guide

Cuda 12000 IP Access Switch Installation Guide
Cabling for System Fault Reporting 121
To receive fault signals, you must attach the devices that you want to report
on to the Alarms In DB-15 connector using one of these ADC-provided
cables:
Different power supplies may utilize different connectors. Contact ADC
Customer Support for details.
Use the following procedure to cable the system for fault reporting:
1. If you haven’t already done so, review “Electrical Safety Guidelines and
Precautions” on page 59.
2. Do one of the following:
■ If you are cabling to a fan tray only, use the 2-way cable and attach
the DB-9 connector on the cable to the DB-9 port on the rear panel of
the fan tray. Then connect the DB-15 connector on the other end of
the cable to the Alarms In port on the rear of the chassis. Refer to
Figure 5-20.
or
■ If you are cabling to a single power supply, or both a fan tray and
power supply, use the 3-way cable and attach the DB-9 connector on
the cable to the DB-9 port on the rear panel of the fan tray and the
DB-25 connector to the power supply. Then connect the DB-15
connector on the other end of the cable to the Alarms In port on the
rear of the chassis. Refer to Figure 5-21.
2-way cable - This cable consists of these connectors:
■ DB-15 for connection to the chassis.
■ DB-9 for connection to the fan tray.
3-way cable - This cable consists of these connectors:
■ DB-15 for connection to the chassis.
■ DB-9 for connection to the fan tray.
■ DB-25 for connection to a single power supply.