Overview
                        
                            
The E1/RS422 interface converter is a dedicated converter that connects and converts bidirectional signals between RS422 serial port and E1 interface. With a data transmission rate of 2.048 Mbps, the device ensures high performance and stability during transmission.
                         
                     
                        Feature
                        
                            
- Support 4 RS422 serial port and 2 E1 port 
- Support signal indication of E1 port data, E1 port loss of synchronism and upstream alarm 
- Support optional clock: internal clock, external clock, recovery receiving clock
- Support E1 port loopback
- wo optional power supplies: 220VAC or -48VDC
- Support -25~ 70℃ wide operating temperature range
 
                    
                        Specifications
                        
                            
| E1 port | 
Interface Protocol Standard: Complies with ITU-T G.703 recommendationOutput Jitter Transfer: Complies with ITU-T G.735Input Jitter Tolerance: Complies with ITU-T G.823Line Rate: Bidirectional 2.048 Mbps synchronized dataTransmission Distance: 2 kmClock Recovery Accuracy: ±50 ppmInterface Code Pattern: HDB3Frame Format: UnframedCRC Check: NoClock Frequency: 2.048 MHzInterface Connection: BNC, RJ45Interface Impedance: 75Ω unbalanced (BNC) and 120Ω balanced (RJ45)Interface Protection: 1500V Electromagnetic isolation | 
| RS422 port | 
Standard: EIA RS422Transmission Rate: 0 – 115200 bpsLine Code: NRZInterface Type: DB25 Female (comes with a DB25 male to DB9 female cord)Interface Protection: 600W surge protection, 15KV electrostatic protection | 
| Signal Indicators | 
Power indicatorE1 loss-of-synchronization alarm indicatorE1 link full-code alarm indicatorE1 link interference alarm indicatorData receiving from G.703 network indicatorData sending to G.703 network indicator | 
| Power Supply & Operating Environment | 
Power Supply: 220VAC or -48VDCPower Consumption: 2.00WOperating Temperature: -25°C to 70°CStorage Temperature: -40°C to 85°CRelative Humidity: 5% - 95% (non-condensing) | 
| Physical Characteristics | 
Case: metalDimensions (W x H x D): 440mm × 140mm × 70mmInstallation: Desktop or 19-inch rackWeight: 2kg | 
| Certifications | CE, FCC, RoHS |