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Serial Interface
(RS-232/422/485) To 10Base-FL (Single-/Multi-Mode) Media
Converter Modem
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CRM485 |
TECHNICAL SPECIFICATIONS
- Model:
CRM485BN / CRM485BN20 / CRM48TB / CRM485TB20
- Standards:
TIA/EIA-232 (ITU-T v.28), TIA/EIA-422 (ITU-T v.11), TIA/EIA-485
(ISO/IEC8284)
- Connectors:
CRM485BN — DB-9 Male & 850nm Multi-Mode Duplex-ST
CRM485BN20 — DB-9 Male & 1310nm Single-Mode Duplex-ST
CRM485TB — Terminal Block & 850nm Multi-Mode Duplex-ST
CRM485TB20 — Terminal Block & 1310nm Single-Mode Duplex-ST
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 ]:
CRM485BN [ -16dBm, -10dBm, -29.5dBm, 13.5dB ]
CRM485BN20 [ -12dBm, -9dBm, -31dBm, 19dB ]
CRM485TB [ -16dBm, -10dBm, -29.5dBm, 13.5dB ]
CRM485TB20 [ -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 — 10Mbps, up to 2km (6,600ft)
SM Duplex-ST — 10Mbps, 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
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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