Main Feature
· Transmit transparently.
· Wide Operating temperature range
· One master unit can easily supporting multi-slave units.
· High consistency, replaced conveniently.
· Internal WDM (CWDM optional)
· RF power auto detecting.
· Auto optical link loss compensation.
· Laser lifetime prolong techniques.
· Provisory signal BER auto detecting.
· Optical link loss auto detecting.
· Intelligent supervisal and online update
Technical specification
| Item | Specification | |
| Wave Length | Uplink 1310±10nm | Downlink 1550±10nm |
| Optical Output power | +2dBm（±2dBm） | |
| Fiber Connector Type | apc | |
| WDM | Internal integrated | |
| Frequency range | 80-500MHz | |
| In-out resistance | 50 Ohm | |
| RF max input power | ≤10dBm | |
| Max input level without damage | 10dBm | |
| Uplink Gain | 0±2dB | |
| Downlink Gain | 0±2dB | |
| Gain control range | ≥30dB | |
| Gain step size | 1 dB | |
| Gain Precision | ≤1dB | |
| In-band ripple | 0.5dB | |
| RF isolation | ≥60dB | |
| Noise Floor | ≤-130dBm/Hz | |
| intermodulation | -60dBc@2tone -3dBm | |
| Stationary wave ratio | ≤1.4 | |
| monitoring signal carrier wave frequency | 868MHz | |
| Monitoring signal modulate method | GFSK， 19.2kbps | |
| Monitoring signal bit err rate | ≤0.001 | |
| Working temperature | -25℃ ～ ＋70℃ | |
| Power supply | DC+12V | |
I. DB9 Interface definition
| A | RS485 A |
| B | RS485 B |
| VCC | +12V VCC |
| NC | NC |
| GND | GND |
| NC | NC |
| SCK | FSK data |
| NC | NC |
| NC | NC |
II. The soft interface & version information
| type | interface | Version | Baudrate |
| SHOST0405S13-I | RS485 | V3.2 | 19200bps |
| SHOMT0405S15-I | RS485 | V3.2 | 19200bps |
Notes: this is our normal specification on fiber optic modules, your special requirements can be customized at Sky PFM.