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RS-232
to Fiber Communications
 SEL-2812 Fiber-Optic
Transceiver/Modem With IRIG-B
5 Kilometer
Port-Powered RS-232 & IRIG-B
to Fiber-Optic Modems
Use SEL-2812 fiber-optic transceivers on campus or in harsh environments.
The SEL-2812 provides a reliable, inexpensive method to safely extend
the reach of both an RS-232 signal and a demodulated IRIG-B time signal
simultaneously. The SEL-2812 draws its power directly from the data and
handshake lines.
Features
| Technical
Specifications |
Data Rate |
Up to 115 kbps |
Data Delay |
6 µs + 5 µs/km of Fiber |
| IRIG-B Delay |
15 µs + 5 µs/km of Fiber |
Optical Connector |
ST® |
Electrical Connector |
DB-9 (male or female) |
Interface Type |
DTE |
Operating Temperature |
-40° to +85°C |
Humidity |
95% noncondensing |
System Gain |
15 dB |
| Ordering Options |
| Description |
Part Number |
Price |
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SEL-2812 with male DB-9, IRIG-B transmitter |
2812MT |
$250
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| SEL-2812 with male DB-9, IRIG-B receiver |
2812MR |
$250
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| SEL-2812 with female DB-9, IRIG-B transmitter |
2812FT |
$250
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| SEL-2812 with female DB-9, IRIG-B receiver |
2812FR |
$250
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Mono plug to BNC for 2812 IRIG-B Jack |
C654 |
$20
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Mono plug to DB-9, IRIG-B Jack |
C655 |
$20
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Mono plug to ring terminals for 2812 IRIG-B Jack |
C656 |
$20
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