Aastra M670i Expansion Module 536M Other Networking Equipment 21/V11 synchronous serial ports

21/V11 synchronous serial ports

Please note this system requires programming for your own use

Over ActivReach

Adtran 1200264L1 Features:

ESI Communications Server 200

Aastra M670i Expansion Module 536M Other Networking Equipment 21/V11 synchronous serial portsAastra M670i Expansion Module 536M Description: The Aastra M670i expansion module provides support for additional programmable keys in an Aastra 675xi series IP phone. An additional 36 programmable keys are provided to a phone, and up to three expansion modules can be connected to a phone. Each button has a LED status indicator that can alert users to the status of lines or extensions in a busy lamp field (BLF) configuration. The Aastra M670i module