NM 1 NETWORK MIC PREAMP
IMPORTANT SAFETY INSTRUCTIONS 1. Read these instructions. 2. Keep these instructions. 3. Heed all warnings. 4. Follow all instructions. 5. Do not use this apparatus near water. 6. Clean only with a dry cloth. 7. Do not block any ventilation openings. Install in accordance with manufacturer’s instructions. 8. Do not install near any heat sources such as radiators, registers, stoves, or other apparatus (including amplifiers) that produce heat. 9.
INSTALLATION MANUAL NM 1 NETWORK MIC PREAMP In Use / Conductor Link / Activity COBRANET PRIMARY COBRANET SECONDARY SPEAKER In Use / Conductor Link / Activity MIC INPUT SWITCHES / LIGHTS Connections COBRANET PRIMARY Connector COBRANET SECONDARY Connector These Neutrik Ethercon connectors accept CAT 5e Ethernet cables terminated with the standard RJ-45 plug. They are used as the Primary and Secondary connections to a LAN carrying CobraNet data.
CASE OPTIONAL Switches / Lights Connector Pinout Pin 7 Ground Pin 8 Ground Pin 9 Ground Pin 10 Ground Pin 11 Talk LED Pin 12 Cough LED Pin 13 NC Pin 14 Override LED Pin 15 Private LED MIC INPUT Connector The balanced microphone input is an industry standard XLR-3 type connector (see the NM 1 Data Sheet for specifications). Gain is adjusted via SNMP control. IEC 61938 P48 compliant 48V phantom power is provided. Connect pins 2 and 3 to the balanced output of the microphone.
Appendix 1. Switches / Lights Connector Logic Pin 2 Cough Button Internal pull-up, debounce and ESD protection. Pin 12 SNMP: cough (read-only) SNMP: coughDisable (read-write) * * SNMP: talkToggle (read-write) SNMP: talk (read) Flip-Flop Toggle Pin 1 Talk Button Internal pull-up, debounce and ESD protection.
-- 1.3.6.1.4.1.2680.1.2.7.3.3 talk OBJECT-TYPE SYNTAX INTEGER ACCESS read-write STATUS mandatory DESCRIPTION "Present state of the talk button flip flop. 0 - off 1 - on" ::= { NM1 3 } -- 1.3.6.1.4.1.2680.1.2.7.3.7 override OBJECT-TYPE SYNTAX INTEGER ACCESS read-only STATUS mandatory DESCRIPTION "Present state of the override momemtary button. 0 - not depressed 1 - depressed" ::= { NM1 7 } -- 1.3.6.1.4.1.2680.1.2.7.3.
