Carrier Access 1750 Broadmore Chassis Differences

E-2 Broadmore 1750 - Release 4.6
Chassis Differences
Broadmore Chassis Differences
Broadmore Chassis Differences
This user manual covers the 7665-17B and 7665C chassis. The 7665C chassis is the
newest chassis in the Broadmore series and has the most functionality. There is also a
17A chassis.
Hardware Differences
Major differences between chassis include mid-plane wiring, alarm/power modules,
and fan trays as shown in the following table.
The 17A and 17C chassis used in the Broadmore 1700 provide the same functionality
and support the same NIM, SAM, and CPU modules. The 17C chassis also uses the
improved Alarm & Power Module and Fan Tray assemblies as the 17B chassis.
The 17B chassis used in the Broadmore 1750 provides 1:4 SAM redund ancy and has
been NEBS tested with the OC-12 NIM (7660-114 or 7660-113) and the Un-Structured
DS3 SAMs (7660-034 or 7660-672 ).
Chassis Major Assemblies Part Nos. Comments
7665-17A Alarm & Power Module 7660-021 No I/O module
Fan Tray 7660-022 2-wire connection
7665-17B Alarm & Power Module 7660-023 Requires I/O module
Alarm & Power Module I/O 7660-025
Fan Tray 7660-024 4-wire connection
7665-17C Alarm & Power Module 7660-023 Requires I/O module
Alarm & Power Module I/O 7660-025
Fan Tray 7660-024 4-wire connection