Make network communication more reliable E485 Desktop Installation RS-485 Serial Port to E1 Converter • Support 1 RS-485/422 serial port and 1 E1 port • Support signal indication of E1 portdata, E1 port loss of synchronism and upstream alarm • Support optional clock: internal clock, external clock, recovery receiving clock • Support E1 port loopback • Two optional power supplies: 220VAC or -48VDC • Support -25 ~70°C wide operating temperature range Your Reliable Industrial Communication Expert

Your Reliable Industrial Communication Expert E485 is a RS-485/422 to E1 converter which could implement bidirectional conversion between RS-485/422 serial port and E1 digital port. It adopts desktop mounting to meet the requirements of different scenes. The data port of this device is operating at a rate of unframed 2.048Mbps of E1. User data has accounted for all 32 timeslots of E1 frame. The main E1 link could provide 3 types of clock source: E1 port recovery clock, internal clock and external clock of digital port. E232 provides loopback and phase adjustment function, which is convenient...

Your Reliable Industrial Communication Expert Interface Protocol Standard: conform to the recommendation of ITU-TG.703 Output Jitter Transfer: conform to the recommendation of ITU-TG.735 Input Jitter Tolerance: conform to the recommendation of ITU-TG.823 Output Jitter: conform to the recommendation of ITU-TG.823 Line Rate: bidirectional 2.048Mbps synchronized data Transmission Distance: 2km E1 Port Clock Recovery Accuracy: ±50ppm Interface Code Pattern: HDB3 Frame Format: un-framing CRC Check: No Clock Frequency: 2.048MHz Interface Connection: BNC, RJ45 Interface Impedance: 75Q imbalance(BNC)...

Storage temperature: -40~85°C Relative humidity: 5%~95% ( no condensation ) Physical Characteristic Typical application Honor-Quality* Service

Your Reliable Industrial Communication Expert Address: 3/B, Zone 1, Baiwangxin High Technology Industrial Park, Song Bai Road, Nanshan District, Shenzhen, 518108, China TEL.: +86-755-26702668 ext 835 FAX: +86-755-26703485 E-mail: [email protected] Website: www.3onedata.com 4 Please scan our QR code for more details

Your Reliable Industrial Communication Expert *Product pictures and technical data in this datasheet are only for reference. Updates are subject to change without prior notice. The final interpretation right is reserved by 3onedata.