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ProStart Sunday/Holiday Remote telephone support of customer ProStart of TA 916 924 NetVanta 6330 16FXS NetVanta 6330 16FXS+8FXO NetVanta 6330 24FXS NetVanta 6360 16FXS NetVanta 6360 16FXS+8FXO NetVanta 6360 24FXS NetVanta 644 NetVanta 6240 16FXS NetVanta 6240 24FXS NetVanta 6250 16 FXS NetVanta 6250 16 FXS with Lifeline NetVanta 6250 24 FXS NetVanta 6250 16 FXS with Lifeline NetVanta 6250 16 FXS + 9 FXO.

- 48 - 10/100/1000 Base-T ports- 4 - 10 Gbps SFP+ Ports- RJ-45 console port and micro USB port for management- Non-blocking Layer 2 and Layer 3 switching capacity up to 176 Gbps- Fully managed- Industry standard CLI and config- 802.3at 802.3af and Legacy PoE up to 740 total Watts- Feature-rich Adtran switch engine for enterprise Ethernet switching- Supports 802.1q VLANs and trunking STP IGMP- Supports ERPS for high-level redundancy and up-time protection- Advanced smart switching features- Faster VoIP deployments with VoIP VLAN and discovery- Port queue-level policing and shaping

A set of three 2.4GHz and three 5gHz 2dBi omni-directional antennas for the BSAP-1840

ProCare 1 Year NBD Remote Maintenance next business day delivery of replacement parts available Monday through Friday 7 am until 7 pm CT covers DSU III TDM DSU IV; ISU 128 T1 ESF CSU ACE; TSU LT; TSU ESP

ProCare 3 Year 7x24x4 Remote Maintenance for the Atlas 550 providing: 30 minute response time into technical support access to software upgrades and patches and four hour hardware replacement available 24 hours a day 7 days a week

ProCare 3 Year 7x24x4 Remote Maintenance for the NetVanta 3458 4305 and 4430 with enhanced feature pack software the NetVanta 6355 4660 5660 and 644 providing: 30 minute response time into technical support access to software upgrades and patches and four hour hardware replacement available 24 hours a day 7 days a week

ProCare 3 Year 7x24x4 On-site Maintenance for the NetVanta 3120 3130 and 3140 (non-SBC) providing: 30 minute response time into technical support access to software upgrades and patches and four hour hardware replacement with ProCare on-site representative available 24 hours a day 7 days a week

- 8 - 10/100/1000 Base-T ports- 2 - 1 Gbps SFP Ports- RJ-45 console port and micro USB port for management- Non-blocking Layer 2 and Layer 3 switching capacity up to 176 Gbps- Fully managed- Industry standard CLI and config- 802.3at 802.3af and Legacy PoE up to 150 total Watts- Feature-rich Adtran switch engine for enterprise Ethernet switching- Supports 802.1q VLANs and trunking STP IGMP- Supports ERPS for high-level redundancy and up-time protection- Advanced smart switching features- Faster VoIP deployments with VoIP VLAN and discovery- Port queue-level policing and shaping