does any one knows if the 4510R supports PoE with power supply of 1400 watts?
The 1400 WAC (PWR C45-1400AC) DOES NOT provide PoE.
The 1400 WDC-P (PWR C45-1400DC-P) does provide poe but it's a DC PS
See Table 8. Cisco Catalyst 4500 E-Series Power-Supply Specifications (Data-Only Power Supplies)
See Table A-7 1400 W AC-Input Power Supply Specifications
Power over Ethernet: Not supported