Video Interface Parameters

• Signal Format: Compatible with PAL/NTSC/SECAM standards.
• Nominal Input/Output Level: 1VP – P.
• Nominal Input/Output Impedance: 75Ω.
• Bandwidth per Channel: 8MHz.
• Sampling Frequency: 13.5MHz/16MHz.

Optical Fiber Interface Parameters

• Wavelength: Single – mode 1310nm/1550nm, multi – mode 850nm/1310nm.
• Number of Optical Fiber Cores: Dual – core for transmission and reception, single – core for transmission and reception is optional.
• Transmit Power: – 9dBm/- 5dBm.
• Transmission Distance: 20 kilometers (indicated by “20” in the product name).
• Receiver Sensitivity: Better than – 36dBm.
• Connector: SC/FC/ST is optional.
Asynchronous Data Interface Parameters
• Rate: 300 – 115.2kbps adaptive, RS485 is 0 – 19.2kbps, RS422 is 0 – 19.2kbps.
• Interface Characteristics: Meet ITU – T V.24 standard.
• Connector: Terminal block or RJ45.

Audio Interface Parameters (Optional)

• Bandwidth per Channel: 20Hz – 20KHz.
• Sampling Frequency: 96KHz.
• Quantization Level: 24bit.
• Input Impedance (Line – in): 47KΩ unbalanced.
• Output Impedance (Line – out): 10KΩ unbalanced.
• Nominal Input/Output Level: 2Vp – p.
• Unbalanced Weighted Signal – to – Noise Ratio: 75dB (typical value).
• Total Harmonic Distortion: 0.1% (typical value).

Ethernet Data Interface Parameters (Optional)

• Rate: 10M or 10/100M adaptive.
• Protocol: Support IEEE 802.3, IEEE 802.1Q (VLAN).
• Physical Interface: RJ45 socket, support two – wire Auto – MDIX.
• Working Mode: Full – duplex/half – duplex adaptive.

Switching – Quantity Interface Parameters (Optional)

• Response Time: 0.5ms.
• Switch Interface: Optical MOS relay 350V/120mA.
• Physical Interface: RJ45.

Power Supply and Environmental Parameters

• Power Supply: +5V DC, low power consumption (single – ended).
• Operating Temperature: – 25℃ – +70℃.
• Storage Temperature: – 40℃ – +80℃.
• Relative Humidity: 0 – 95% (non – condensing).