ERA® WCS and e-POI Subracks and Power Supply Unit Installation Guide M0201ABK_uc
Page 38 © June 2021 CommScope, Inc.
Power Supply Unit Subrack and Rectifier Modules
WCS Subracks, 57 Vdc Rectifier Modules, and Service Voltage
Table 6 and Table 7 list the number of UAPs and Copper CAP Ls that can be powered via Power over CAT6A
based on the number of 57 Vdc Rectifier Modules and the electrical service voltage. These number of APs
supported as listed in these tables assumes that the power consumption of the UAPs is the maximum 85
Watts and the power consumption of the CAP Ls is the maximum 125 Watts. Typical configurations may
require less power per AP.
• Table 6 lists the number of UAPs and Copper CAP Ls that the original version of WCS Subracks can power
via Power over CAT6A:
– 7635442-00 (WCS-4)
– 76355443-00 (WCS-2).
• Table 7 lists the increased number of UAPs and Copper CAP Ls that the current version of WCS Subracks
can power via Power over CAT6A:
– 7635442-01 (WCS-4)
– 7635443-01 (WCS-2).
Table 6. Number of UAPs and Copper CAP Ls powered by the Original Version WCS Subracks (7635442-00/7635443-00)
AP Type
1 x 120 Vac 2 x 120 Vac 1 x 220 Vac 2 x 220 Vac
# APs
Powered
Maximum
Watts
# APs
Powered
Maximum
Watts
# APs
Powered
Maximum
Watts
# APs
Powered
Maximum
Watts
UAPs
1
14 1200 24 2400 23 2000 24 4000
CAP Ls
1
9
2
1200 16
2
2400 16
2
2000 16
2
4000
1 The number for supported APs does not include any connected 1G devices, which are also powered by the Power over CAT6A circuits. If
these devices are used, they must be accounted for in the total power consumption calculations. See Table 4 on page 37.
2 One locally powered secondary CAP L can be connected to each primary CAP L in cascade mode for a total of 18 CAP Ls with one 120
Vac/57Vdc rectifier or 32 CAP Ls for all other rectifier configurations shown. Cascaded APs do not support 1G devices.
Table 7. Number of UAPs and Copper CAP Ls powered by the Current Version WCS Subracks (7635442-01/7635443-01)
AP Type
1 x 120 Vac 2 x 120 Vac 1 x 220 Vac 2 x 220 Vac
# APs
Powered
Maximum
Watts
# APs
Powered
Maximum
Watts
# APs
Powered
Maximum
Watts
# APs
Powered
Maximum
Watts
UAPs
1
14 1200 28 2400 23 2000 32 4000
CAP Ls
1
9
2
1200 16
2
2400 16
2
2000 16
2
4000
1 The number for supported APs does not include any connected 1G devices, which are also powered by the Power over CAT6A circuits. If
these devices are used, they must be accounted for in the total power consumption calculations. See Table 4 on page 37.
2 One locally powered secondary CAP L can be connected to each primary CAP L in cascade mode for a total of 18 CAP Ls with one 120
Vac/57Vdc rectifier or 32 CAP Ls for all other rectifier configurations shown. Cascaded APs do not support 1G devices.
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