Zte ZXC10 CBTS O1, Техническое руководство

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Chapter 2 - BTS Hardware
Confidential and Proprietary Information of ZTE CORPORATION 29
The SBDS is required if there are more than 12 carrier sectors. Fig. 6
below shows a fully configured SBDS shelf.
F
I G
. 6 S B D S C
O N F I G U R A T I O N
17
16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
S
A
M
C
H
M
C
H
M
C
H
M
S
C
M
S
C
M
R
I
M
SBDS
C
H
M
B
I
M
The SBDS has no GCM, DSM and SNM boards (while the MBDS does). The
CCM board in MBDS is changed to SCM in SBDS.