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Frequently Asked Questions

The AOLT-4000N is a 12RU 19” rack mount that requires front access only. It supports card hot swap and has redundant 1+1 controller and 1+1 aggregation switch card options. It also has 1+1 (from different cards) uplink protection option and 1:1 (same card) uplink protection option.

The AOLT-4000N is a GPON OLT (Optical Line Terminal) designed for carrier central office or MSO hub environments for enabling cost-effective FTTx services.

The AOLT-4000N’s control plane consists of redundant 1Gbps connections to each card slot from the two dedicated CTL slots.

The AOLT-4000N’s data plane consists of redundant 10Gbps connections to each card slot from the two dedicated double-width SWT slots in the shelf.

The AOLT-4000N has a high availability architecture where removal or insertion of any single card does not affect existing connections on other cards. Even in a system with a single CTL card, a failure of the control card does not affect the working traffic. To increase control plane availability, a second mate CTL card can be inserted in the AOLT-4000N chassis, providing 1+1 redundancy for the control plane. Likewise, to increase data plane availability, a second mate SWT card can be inserted in the AOLT-4000N chassis, providing 1+1 redundancy for the data and signaling plane.

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