M0201ABK_uc
ERA® WCS and e-POI Subracks and Power Supply Unit Installation Guide
© June 2021 CommScope, Inc.
Page 39
Power Supply Unit Subrack and Rectifier Modules
APs in a Mixed Copper CAP L and UAP System
The following tables provide examples of the number of CAP Ls and UAPs that a system with two 57Vdc
rectifiers can support with
original
WCS and CAT Card versions and a system with
current
WCS and CAT
and
for the number of APs supported with a single 57Vdc
PSU rectifier module.
The original version WCS-4 (7635442-00) and WCS-2 (7635443-00) subracks with four original version CAT
Cards (7633228-01) support the following
The current version WCS-4 and WCS-2 subracks and current version CAT Cards have been optimized to
support additional UAPs and CAP Ls. A WCS-4 (7635442-01) or WCS-2 (7635443-01) subrack with four
(7633228-02) CAT Cards supports the following:
Table 8.
Original version WCS Subrack with Original Version CAT Cards (2x 57Vdc PSU)
AP Type
CAP Ls
(Without 1G
Devices)
CAP Ls
(Including Cascaded
Secondary CAP Ls)
CAP Ls
(With 1G Devices)
UAPs
4 CAT Cards for CAP Ls
0 CAT Cards for UAPs
16
32
12
0
3 CAT Cards for CAP Ls
1 CAT Card for UAPs
12
24
9
6
2 CAT Cards for CAP Ls
2 CAT Cards for UAPs
8
16
6
12
1 CAT Cards for CAP Ls
3 CAT Cards for UAPs
4
8
3
18
0 CAT Cards for CAP Ls
4 CAT Cards for UAPs
0
0
0
24
One locally powered secondary CAP L can be connected to each primary CAP L in cascade mode. Secondary
CAP Ls in a cascade do not draw power from the WCS. Cascaded APs do not support 1G devices.
Table 9.
Current version WCS Subrack with Current Version CAT Cards (2x 57Vdc PSU)
AP Type
CAP Ls
(Without 1G
Devices)
CAP Ls
1
(Including Cascaded
Secondary CAP Ls)
CAP Ls
(With 1G Devices)
UAPs
4 CAT Cards for CAP Ls
0 CAT Cards for UAPs
16
32
16
2
0
3 CAT Cards for CAP Ls
1 CAT Card for UAPs
12
24
12
8
2 CAT Cards for CAP Ls
2 CAT Cards for UAPs
8
16
8
16
1 CAT Cards for CAP Ls
3 CAT Cards for UAPs
4
8
4
24
0 CAT Cards for CAP Ls
4 CAT Cards for UAPs
0
0
0
32
3
1
One locally powered secondary CAP L can be connected to each primary CAP L in cascade mode.
Secondary CAP Ls in a cascade do not draw power from the WCS. Cascaded APs do not support 1G devices.
2
Maximum number of CAP Ls with 1G devices is limited to 15 with 2x 57Vdc/
120Vac
PSU. (Capable of 16
with 2x 57Vdc/
220Vac
PSU.)
3
Maximum number of UAPs is limited to 28 with 2x 57Vdc/
120Vac
PSU. (Capable of 32 with 2x
57Vdc/
220Vac
PSU.)
