30 DSS Expansion Module Compatible with C60 & C62 ITT C10 - Upgrade Your ITT C10 System for Enhanced Performance in Industrial Automation & Control Applications

- 30 programmable keys each with a dual-color LED
- Daisy-chain 5 modules for 150 programmable keys
- Dual color (red or green) LEDs for line status information
- Supports Busy Lamp Field (BLF) Presence
- Programmable for speed dialin