Carrier Access Broadmore 1750 - Manual (Page 56)

2-6 Broadmore 1750 - Release 4.6
Planning and Ordering Guide
System Planning Factors
System Planning Factors
System Architecture ... 2-6
Cell Bus Configuration ... 2-8
Unstructured DS3-3/E3-3 Configuration Guidelines ... 2-9
ATM Bandwidth per Cell Bus ... 2-11
ATM Bandwidth per Module ... 2-12
ATM Network Loading ... 2-12
The Broadmore 1750 is a customizable system. The following factors should be
considered when planning and configuring a system to meet customer requirements.
System Architecture
The Broadmore 1750 system architecture is based upon a midplane design allowing
modules to be installed from the front and rear of the chassis. There are 17 vertical slots
as viewed from the front with the cover removed. The figure shown below shows a
fully redundant system configured with OC-12c NIMs and Unstructured DS3 SAMs.
A B C D E F G H J K L M N P CPU
Q
CPU
R
APM
NIM Slots SAM Slots CPU Slots
PR
O
T
E
C
T
IO
N
S
A
M
OC
-1
2
c
N
IM
OC
-1
2
c
N
IM
u
D
S
3
-3
or
uE
3
-3
S
A
M
CP
U
CP
U
AP
M
u
D
S
3
-3
or
uE
3
-3
S
A
M
u
D
S
3
-3
or
uE
3
-3
S
A
M
u
D
S
3
-3
or
uE
3
-3
S
A
M