 (Rear Module w/ Dry Contact Relays for TSM-100) Unattened confidence monitoring of transport streams. Monitors numerous streams and alarms if error level exceeds user defined threshold. Includes MDL-R22 Rear I/O module w/Dry Contact Relays. 1 ASI in 1 ASI out 8 GPIO. Occupies 2 Slots in an openGear frame |