7705 SAR-8 Overview
7705 SAR-8 Installation Guide Page 59
Notes on 7705 SAR-8 and 7705 SAR-F
The 7705 SAR-8 and the 7705 SAR-F run the same operating system software. The main
difference between the products is their hardware platforms. The 7705 SAR-8 has an 8-slot
chassis that supports two CSMs, six adapter cards, and a Fan module. The 7705 SAR-F
chassis has a fixed hardware configuration. The 7705 SAR-F replaces the 7705 SAR-8
physical components (the CSM, Fan module, and adapter cards) with an all-in-one unit that
provides comparable functional blocks, as detailed in Table 5.
The fixed configuration of the 7705 SAR-F means that card slot and type provisioning is
preset and is not user-configurable. Operators begin configurations at the port level.
Note: Unless stated otherwise, references to the terms “Adapter card” and “CSM”
throughout the 7705 SAR OS documentation set include the equivalent functional blocks on
the 7705 SAR-F.
Table 5: 7705 SAR-8 and 7705 SAR-F Comparison
7705 SAR-8 7705 SAR-F Notes
CSM Control and switching
functions
The control and switching functions include the console
and management interfaces, the alarm and fan
functions, the synchronization interfaces, system LEDs,
and so on.
Fan module Integrated with the
control and switching
functions
16-port T1/E1 ASAP
Adapter card
16 individual T1/E1 ports
on the faceplate
The T1/E1 ports on the 7705 SAR-F are equivalent to
the T1/E1 ports on the 16-port T1/E1 ASAP Adapter
card, except that the 16 T1/E1 ports on the 7705 SAR-F
support multiple synchronization sources to support two
timing references.
On the 7705 SAR-8, the CLI indicates the MDA type
for the 16-port T1/E1 ASAP Adapter card as a16-
chds1. On the 7705 SAR-F, the CLI indicates the
MDA type for the 7705 SAR-F ports as a16-
chds1v2.
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