Install guide

Quick Install Guide 7
With each FOM purchased separately, these items are included:
■ One AT-PWR01 Quick Install Guide (which includes statutory and safety
information)
■ One warranty card
Contact your authorised distributor or reseller if any items are damaged or
missing.
Installing a Power Supply Unit
Warning All AC and DC versions of this equipment must be earthed.
You cannot install an AC PSU and a DC PSU in the same switch chassis.
If you remove a PSU or FOM from the switch, ensure that you replace the PSU
or FOM to prevent dust and debris from entering the switch chassis and to
maintain proper airflow within the switch.
AC power supply unit specifications
■ Important information for service personnel:
■ CAUTION: double pole/neutral fusing
■ The ratings of fuses FH101 and FH102 is 250 V, 5 A
DC supply cable and power supply specifications
DC supply cable specifications
■ Three-core cable is required
■ Minimum core size: 3.3 mm
2
(12 AWG) high strand count copper wire
■ Minimum cable rating: 600 V, 90 degrees Celsius
DC power supply specifications
■ 40 to 60 V, 48 V nominal
■ Supports either positive grounded or negative grounded operation
For circuit protection a 15 Amp certified/Listed circuit breaker is required.
pwr01qig.fm Page 7 Thursday, September 2, 2004 9:24 AM