Carrier Access 1750 Manual De Usuario
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.
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.
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.
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 redundancy 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).
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