Nokia/Alcatel 7750 SR-a Series

Nokia/Alcatel 7750 SR-a Series

Carritech offer support services for the Alcatel 7750 Service Router (SR) a-Series products, including repair and refurbishment, part supply and ongoing technical support.

Technical Information

The SR-a Series includes the SR-a4 and the SR-a8. They are a compact version of the e Series products designed to offer a slightly scaled-down version of the same services the e-Series offers.

Known as the ‘compact platform’ the key difference between the a4 and a8 is the system throughput. The SR-a8 can manage up to 400Gb/s whereas the SR-a4 is limited to 200Gb/s.

The SR-a Series includes the SR-a4 and the SR-a8. They are a compact version of the e Series products designed to offer a slightly scaled-down version of the same services the e-Series offers. Known as the ‘compact platform’ the key difference between the a4 and a8 is the system throughput. The SR-a8 can manage up to 400Gb/s whereas the SR-a4 is limited to 200Gb/s.

Quick product comparison:

 
  SR-a4 SR-a8
System throughput Up to 400 Gb/s Up to 200 Gb/s
Number of MDA-a’s and MDA-a XP’s per chassis (max)* 8 4
Number of IOM-a’s per chassis (max)** 2 1
Common equipment redundancy CPM-a, PSU, fan CPM-a, PSU, fan
Hot-swappable equipment IOM-a, MDA-a, MDA-a XP, CPM-a, PSU, fan, fan filter IOM-a, MDA-a, MDA-a XP, CPM-a, PSU, fan, fan filter
Dimensions 31.12 (H) x 44.5 (W) 22.2 (H) x 44.45 (W)
Weight 38.1kg 26.3kg
Power
  • AC and DC power
  • 3 PSUs per chassis
  • 2+1 redundancy
  • AC and DC power
  • 2 PSUs per chassis
  • 1+1 redundancy
Cooling
  • N+1 internal redundant fans
  • Right-to-left airflow
  • Variable speed for power efficiency
  • N+1 internal redundant fans
  • Right-to-left airflow
  • Variable speed for power efficiency

*MDA-a/ MDA-a XP = Media Dependent Adapter **IOM-a = Input/Output Module


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