Extron electronics VoiceLift Operations Instructions download pdf (Page 52)

VoiceLift

™

Microphone • Reference Material

A-2

Reference Material

PRELIMINARY

Specications — VLR 102 and VLR 102 SR

Audio

Tone control .................................... On or off, switch selectable

Audio input

Number/signal type

VLR 102............................... 1 infrared from VLM microphones

1 mono, balanced, aux/mix input

1 mono, balanced, from optional VLR 102SR

VLR 102SR .......................... 1 infrared from VLM microphones

1 mono, balanced, from optional VLR 102SR

Connectors

VLR 102............................... (1) 3.5 mm captive screw connector, 3 pole, for aux input

(1) RJ-45 female for input from a VLR 102SR

VLR 102SR .......................... (1) RJ-45 female for input from a VLR 102SR

0 dBu = 0.775 Vrms, 0 dBV = 1 Vrms, 0 dBV ≈ 2 dBu

Audio output

Number/signal type ..................... 1 mono, balanced, line level

Connector ....................................... (1) RJ-45 female (shared with power input and some serial communication)

Pin conﬁguration ........................... 1 = mic +, 2 = mic -, 3 = aux +, 6 = aux -, 8 = GND

Nominal level ................................ -10 dBV (316 mVrms)

IR sensor

Receiver type ................................. Superheterodyne IR sensor

Photodiodes ................................... 6, radially spaced

Receiving frequencies ................... 2.3 MHz, 2.8 MHz

Operating distance ........................ 40' (12.2 m) maximum, line-of sight, typical

Reception area ............................... 1600 square feet (148.6 square meters) per VLR 102

Reception angles ............................ 360° horizontal, 60° vertical

Control — host ports, VLR 102 only

Serial host port ............................... 1 RS-232, 3.5 mm captive screw connector, 3 pole

Baud rate and protocol ................. 38400 baud, 8 data bits, 1 stop bit, no parity

Serial control pin conﬁguration .. 1 = Tx, 2 = Rx, 3 = GND

Control — relay output, VLR 102 only

Number/type ................................ 1 normally open

Connector ....................................... (1) 3.5 mm captive screw connector, 2 pole

Pin conﬁguration ........................... NO = normally open, C = common

Contact rating ................................ 24 V, 1 A

Control — contact closure (VLR 102 only)

Number/type ................................ 1 contact closure input

Connector ....................................... (1) 3.5 mm captive screw connector, 2 pole

Pin conﬁguration ........................... IN = contact input, GND = GND

1 2 ... 47 48 49 50 51 52 53 54 55 56 57 ... 63 64

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Extron electronics VoiceLift Operations Instructions Page 52

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