Network Device User Manual

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.
ABCDEF GHJ KLMN P
CPU
Q
CPU
R
APM
NIM Slots SAM Slots
CPU Slots
PROTECTION SAM
OC-12c NIM OC-12c NIM
uDS3-3 or uE3-3 SAM
CPU CPU
APM
uDS3-3 or uE3-3 SAM uDS3-3 or uE3-3 SAM uDS3-3 or uE3-3 SAM