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AT5000 Return Transmitter
The AT5000 Series Optical Return Transmitter is a high-performance 1310 nm DFB laser platform engineered for broadband CATV and HFC networks, delivering optical output power from 3.0 dBm to 15.6 dBm. Featuring advanced pre-distortion circuitry and automatic gain control (AGC), it maintains superior linearity conditions over a 5 to 200 MHz bandwidth. Designed for reliability in demanding environments, the AT5000 incorporates intelligent thermal management with a temperature-triggered fan, dual-redundant switching power supplies, and comprehensive status monitoring via LCD display and LED indicator lights for laser, RF, and power health. Remote and local management are enabled through standard RS-232 and RJ45 (SNMP) interfaces, while built-in alarms alert operators to parameter deviations, ensuring proactive maintenance and network stability. With a compact 1U rack-mountable form factor, low power consumption, and an extended operating temperature range, the AT5000 Series is ideal for headend and hub deployments requiring robust, cost-effective optical transmission. It combines precision engineering with field-proven durability to meet the needs of modern hybrid fiber-coaxial systems.
· Advanced pre-distortion circuit ensures excellent CTB, CSO, and CNR performance
· AGC maintains stable output despite RF input variations
· Adjustable OMI optimizes performance for different networks
· Automatic temperature control extends equipment lifespan
· Dual power supply supports hot swap and auto-switching
· Microprocessor control with front LCD for status, alarms, and parameter display
· Automatic alerts when parameters exceed set limits
· RJ45 interface enables remote management via SNMP and web
Category | Items | Unit | Index | Remarks | ||
Min. | Typ. | Max. | ||||
Optical Index | ||||||
Operating Wavelength Range | nm | 1300 | 1310 | 1320 | ||
No. of Output Ports | 1 | |||||
Output Power per Port | dBm | 2 | 36 | 2mW interval | ||
Light Reflection Loss | dB | 50 | ||||
Fiber Optic Connector | SC/APC | FC/APC and LC/APC | ||||
Radio Index | ||||||
Operating Bandwidth | MHz | 5 | 200 | |||
Input Level | dBμV | 75 | 80 | 85 | AGC | |
Flatness | dB | -0.75 | +0.75 | 5 to 200MHz | ||
Reflection Loss | dB | 16 | 5 to 200MHz | |||
Input Impedance | Ω | 75 | ||||
RF Connector | F type metric/imperial | Specified by the user | ||||
Link Index | ||||||
Dynamic range of NPR | dB | 20 | (NPR>30) | |||
General Index | ||||||
Network Management Interface | Supports SNMP and WEB | |||||
Power Supply | V | 90 | 265 | AC | ||
-72 | -36 | DC | ||||
Power Consumption | W | 20 | Dual power supply, 1+1 backup | |||
Operating Temperature | °C | -5 | +65 | Auto case temp control | ||
Storage Temperature | °C | -40 | +85 | |||
Operating Relative Humidity | % | 5 | 95 | |||
Dimension | mm | 370 × 483 × 44 | D, W, H | |||
Weight | Kg | 4.1 | ||||
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