VCM38 - Ceiling Microphone Array
Polycom Ceiling Microphone array-Black"Primary". Includes 2ft/60cm drop cable, electronics Interface, wall plate with 10ft/3m and 50ft/15m plenum cable, RJ45(F)/Walta(M). For RealPresence Group, HDX and Sound Structure
Primary Solution
- Microphone array available in white or black
- Electronics enclosure with ceiling mounting hardware (UL 2043 compliant and suitable for use in air‑handling spaces)
- (1) 24” (60 cm) microphone interface cable
- (1) 50’ (1524 cm) plenum C-Link 2 cable (RJ45)
- Wall plate
- Walta to RJ45 adapter cable used for installations with RealPresence Group and HDX 6000/7000/8000 series systems
Extension kit includes
- Microphone array available in white or black
- Electronics enclosure with ceiling mounting hardware (UL 2043 compliant and suitable for use in air‑handling spaces)
- (1) 24” (60 cm) microphone interface cable
Digital Microphone Specification - 360-degree directional pickup
- Three cardioid elements per microphone – elements spaced 120 degrees apart
- Each Ceiling Microphone Array covers a 24’ diameter
- Total coverage area for a single Ceiling Microphone Array is 400 square feet
Audio Features - Dynamic microphone steering
- Full-duplex digital audio
- Instant adaptation echo cancellation
- Automatic noise suppression (ANS)
- Automatic gain control (ACG)
Product Characteristics - Dimensions (W/D/H): 4”/6”/1⅝”, 101.6 mm/152.4 mm/41.3 mm
- Weight 14 oz; 397 kg
Installation Guidelines - Avoid interference with fluorescent lighting
- Avoid close proximity with AC vents
- Secure mounting ears for electronic boxes
- Avoid all other obvious sources of noise
- Microphone array should be 7-8’ above the floor
- Maximum cable distance to the primary (first) electronics box is 100’; maximum cable distance between extensions is 25’
Warranty - One-year return for factory parts and labor