Overview of Work Impacted Services: DSL EFM EAD EoFTTC FTTC FTTP - OR ++++++++++++++++++++++++++++ Exchange Delivery - R11 Upgrades - MYSNH MYWAK NDASF NDBAT :: CRQ000000100286 Overview of Work: Metro Switch Firmware Upgrade NE40-M2F The exchange switch is the main interface of our customers and our network at the exchange level. This RFC is to upgrade the firmware of main exchange metro switch pair NE40-M2F to the newer firmware version which is recommended by the vendor Huawei. All voice; data and TV services on the exchange with resilience will failover for the duration of the work as such there will no service impact. Services without resilience will experience downtime when device reboots. These devices are installed in pairs and one device will be rebooted at a time to keep customer downtime to the minimum. Testing is completed following the change to ensure services have resumed. Testing http://testingplatform.noc.cpwn.lan/juniperswapout.php Impact of your change: TalkTalk Network; TalkTalk Business; TTB Reseller; Customers will be affected during the change. Ashford Battle Snaith Wakefield