The DigiSlim SR-2A2C-1 Multimode 2-Channel Audio & Contact Closure Card (1300 nm) from Meridian Technologies incorporates digital encoding technology. This fiber-optic module accepts two channels of Audio (600 Ω, balanced-standard), two channels of contact closure over one fiber.
The SR-2A2C-1 card is fully compatible with PC based SpectraSmart Network Management & Diagnostic Software System. SpectraSmart supervises the operating parameters of the transmission system such as the status on video levels, sync, digital carrier detect, voltages, temperatures, optical levels etc.
Accepts two channels of Audio (600 Ω, balanced-standard), two channels of contact closure over one fiber
10 Hz to 20 kHz audio bandwidth
DB-9 type connectors for audio
Greater than 90dB SNR for high quality audio
User-selectable, Contact Mapping (N.O, N.C)
DB-15 connector for contact closure
Wide optical dynamic range eliminates need for optical attenuators
Laser based system
Surface Mount Technology (SMT) for high reliability and repeatability
SpectraSmart network management compatible
Local LED status indicators to monitor critical
System diagnostics for performance parameters
ST, FC optical connector
Hot swappable cards
Laser back- biased photo detector circuitry for stable optical output over full temperature range