The Model 2237-T is a fiber optic audio transmitter that digitizes stereo audio input into 16-bit samples at 48 kHz and transmits it over a single fiber optic link. It features a 1/8" (3.5 mm) microphone input with a maximum of 350 mV rms into 6 kΩ and stereo line-level phono jack inputs with a maximum of 2 V rms into 10 kΩ. Volume adjustment is provided to optimize digital channel usage. The unit has a metal enclosure measuring 7.375" × 7.625" × 1.875" (18.7 × 19.4 × 4.8 cm) and operates from 110 VAC or optional 12-24 VDC. It meets FCC Class A, Part 15 requirements and operates from 0°C to 50°C.
Models 2237-T and 2237-R provide one-way stereo audio over a single fiber
Typical applications include paging systems, music distribution, and control
with audio tones.
The 2237-T has 1/8" (3.5mm) microphone input and stereo line level phono
jack inputs. The 2237-T digitizes the audio input into 16-bit samples at 48KH
rate. The microphone input is copied to both channels, the two line inputs
remain in respective channels. The digitized stereo audio is transmitted acros
a single fiber and received at the 2237-R. The 2237-R converts the digitized
audio back to analog. The 2237-R has 1/8" headphone jack, line level phono
jacks, and speaker phono jacks.
The 2237-T has volume adjustment to maximize the use of the digitized
channel. The 2237-R has optical signal loss LED. Both the 2237-T and 2237
have mute buttons.
Several 2237-R units can be connected to a single 2237-T with the use of a
fiber splitter, S.I.Tech Model 9024.
| S.I. Tech, Inc. | |
|---|---|
| Product Category | Network Media Converters |
| Product Number | 2237 T |
| Product Name | Fiber Optic Audio Link Dedicated Talker |
| Form Factor | Module |
| Features | LED Indicator |
| Operating Temperature | 0.0 to 50 C (32 to 122 F) |
| Compliances | FCC Class A, Part 15 |
