MODEL LD485 |
RS-232/422/485 to Fiber (Single-/Multi-Mode) Media Converter |
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LD485 |
TECHNICAL SPECIFICATIONS |
- Model: LD485BN / LD485BN20 / LD48TB / LD485TB20
- Standard: TIA/EIA-232 (ITU-T v.28), TIA/EIA-422 (ITU-T v.11), TIA/EIA-485 (ISO/IEC8284)
- Connectors:
| LD485BN |
DB-9 Male & 850nm Multi-Mode Duplex-ST |
| LD485BN20 |
DB-9 Male & 1310nm Single-Mode Duplex-ST
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| LD485TB |
Terminal Block & 850nm Multi-Mode Duplex-ST |
| LD485TB20 |
Terminal Block & 1310nm Single-Mode Duplex-ST
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| Note: |
| DB-9 can be selected as RS-232 or RS-485/422 by DIP Switch. |
| RS-485 interface supports either 2- or 4-wire by DIP Switch selection. |
- dBm [ Min TX, Max TX, Sensitivity, Power Budget ]:
| LD485BN |
[ -16dBm, -10dBm, -29.5dBm, 13.5dB ] |
| LD485BN20 |
[ -12dBm, -9dBm, -31dBm, 19dB ] |
| LD485TB |
[ -16dBm, -10dBm, -29.5dBm, 13.5dB ] |
| LD485TB20 |
[ -12dBm, -9dBm, -31dBm, 19dB ] |
- Max Data Transfer Rate / Distance:
| RS-232 |
115.2Kbps, up to 15m (50ft) |
| RS-485/422 |
90Kbps, up to 1,220m (4,000ft) |
| RS-485/422 |
500Kbps, up to 92m (300ft) |
| MM Duplex-ST |
Depends on serial interface, up to 2km (6,600ft) |
| SM Duplex-ST |
Depends on serial interface, up to 20km (66,000ft) |
- Handshaking: Not supported
- Duplex Mode:
| RS-232 |
n/a |
| RS-485 |
Half-duplex for 2-wire, Full-duplex for 4-wire |
- Cables:
| 50/125, 62.5/125, 100/140µm Multi-Mode fiber |
| 8.3/125, 8.7/125, 9/125, 10/125µm Single-Mode fiber
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| 24 to 22 AWG gauge copper wire, Attenuation 20dB/1000ft@10MHz |
| Differential Impedance 100ohm@10MHz |
- LEDs: PWR, F ACT, C ACT;
- Power Requirement: 1A@+5V DC;
- Operating Temperature: 0° to 50° C;
- Humidity: 5% to 90%;
- Dimension: 26.2 x 70.3 x 94mm (H x W x D;
- EMI Rating: FCC Class B, CE Mark Approval
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Media Converters 