Model 2860
RS-422 and TTL to Fiber Optic Modem With 4 Independent Channels
- Provides 4 independent channels for data, clock
The S.I.Tech Model 2860 is designed for high speed RS-422 and TTL
data communication using fiber. This system uses TRIAX and BNC
connectors for interfacing to high speed network. The model 2860
provides 4 independent channels for data, clock, etc.
Specifications
| Operation Mode: |
Asynchronous, simplex or full duplex, 20 Mbps |
| Input/Output Interface: |
RS-422/TTL, 4 channel system, 4 Triax & 4 BNC connectors |
| Transmission Line Interface: |
8 ST connector fiber optic receptacles (SMA option) |
| Transmission Distance: |
2 Km - 6600 ft. (5 Km option) |
| Transmitter Output Power: |
30 microwatts into 50 micron fiber |
| System Wavelength: |
820 nanometers (1300 nm option) |
| Minimum Sensitivity: |
3 microwatts @ 820 nanometers at less than 10-9 bit error rate |
| Operating Temperature: |
0 C to 50 C |
| Input Power: |
110 VAC 60 Hz |
| Metal Enclosure: |
1U 19" rack 17"W X 1.75"H X 7.5"D (43.2 X 4.3 X 19.0 CM) |
| Weight: |
5 lbs. (2.3 kg) |
| 230 Volt Version: |
2860V |
Operating Distance for Fiber Optic Cable
Fiber Size
(Microns) |
Attenuation
(dB/Km) |
Distance
(Meters) |
Distance
(Feet) |
| 62.5 |
4 |
2000 |
6600 |
| 50 |
3 |
2000 |
6600 |
| 10 SM* |
1 |
10000 |
33000 |
* Single mode, 1300 nm option
Optical unit connection: Connect the optical transmission
line to the Tx and Rx receptacles. Note which cable channel
goes to Tx or Rx by noting cable imprint. On the other end,
reverse the connection.
Note:
2860-4R-SM: 4 CH, Single Mode
J3: RS422 Transmitter
J4: TTL Receiver
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