Installation and first-time operationeud-1282/1.1 – R1.0 – 10.2011 121Aastra M530/Aastra M535 expansion key module(optional)You can connect up to 3 Aastra M530 expansion key modules with20 configurable keys each and up to 3 Aastra M535 expansion key modules with3 x 15 configurable keys to your phone. You can freely combine Aastra M530 andAastra M535. Each key has an LED for visual signalling.ConnectionsConnecting the Aastra M530/Aastra M535 expansion key moduleConnecting further Aastra M530/Aastra M535 expansion key modules (symbolon Aastra M530)Connecting further Aastra M530/Aastra M535 expansion key modules orpower supply (symbol on Aastra M535)orMenu16:58WE 23 Aug Week 34Office 80IPOUT IN OUT IN OUT IN
