| Item | Parameters | 
| Fiber Port | 
			 8 pairs, LC type port, wave-length 1310nm One of the optical ports is a dedicated 1000M optical module, which is suitable for 1000M networks.  | 
		
| Fiber serial port | 
			 8, ST type port, wave-length 850nm 6 sending, 2 receiving (Can be used as FT3 or IRIG-B)  | 
		
| Ethernet port | 1,100Base-TX,RJ45 | 
| USB Port | 1 | 
| GPS Port | 1 channel, GPS signal receiver internal | 
| Analog input port(Optional) | 4 or 8 pairs, 18 bit AD, 40kHz sampling rate, input range 0-250VAC | 
| Hard contact binary input | 1 Pair, Adaptive empty contact or potential contact (30~250V), response time ≤500μs | 
| Hard contact binary output | 1 pair, Open-collect type, blocking capacity more than 250V, 0.3A (DC), response time ≤ 100μs | 
| Measure accuracy | 
			 Voltage and current measurement accuracy error ≤0.05% Frequency accuracy is better than 0.001Hz in the range of 15~1000Hz Phase measurement accuracy error ≤0.01°  | 
		
| sending Accuracy | 
			 voltage and current measurement accuracy error ≤0.05% Frequency accuracy is better than 0.001Hz in the range of 10~1000Hz Phase output accuracy error ≤0.01°  | 
		
| SV message output dispersion | ≤±80ns | 
| Fiber serial port transfer delay | ≤100ns | 
| SV output synchronize | Time error between Fiber port <1μs | 
| Power Supply | 
			 Internal large capacity lithium battery pack Power Adapter:Input 220VAC/50Hz,-20%~+20% Output DC 15V±10%  | 
		
| Display | 10.4 inch high-definition capacitive LCD screen (touch screen) | 
| Size | 320mm×250mm×100mm(L×W×H) | 
| Weight | <2.75kg |