Instruction Manual

MCN System Manual Application Accessories
CTI Products, Inc.
68-10833-120
13
5.2 MCN-RYB-8 Relay Board
The MCN-RYB-8 Relay Board provides relay contacts that can be controlled
with by the MCN Input/Output Control Module (IOB).
The MCN-RYB-8 board has the following features:
• (8) DPDT Relays (Configured to switch circuit pairs).
• Hi-reliability long-life sealed relays.
• Relays rated for low-level (dry circuit) audio switching, up to 2A.
• Selectable 600 Ohm terminations for the Normally Open, Normally Closed, or
Common circuits (may be de-selected).
• LEDs to indicate which relays are active.
• Control Connector (relay coil inputs) which is pin-compatible with the MCN
IOB module.
• 25-pair telco connectors used for control inputs and relay outputs.
• Jumpers to control adjacent relays.
• Jumpers for Sub-Category strapping for MCNRCD variable status text
messages.
• Optional EIA 19” rack-mount panel available for mounting (4) MCN-RYB-8
boards.