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Yealink EXP40 Expansion Module
This is done over a fiber optic link
Ports: 4 Ports
Nortel Meridian Systems
A digital signal processor is included to ensure high quality
Crestron ST-COM 2 Port Module Video Conference Yealink EXP40 Expansion ModuleCrestron ST COM 2 Port Module Description: The Crestron ST COM offers a pair of COM ports (serial ports) for controlling various Crestron equipment pieces through the DB9 connection. The ST COM connects back to the control processor is done through the RJ 11 Cresnet ports. The module can be installed into a Crestron ST RMK rack mount kit. The Crestron ST COM is a legacy Crestron part that has been discontinued by the manufacturer. Refurbished units
