User manual

Raisecom Technology Co., Ltd
6
3. Parameters
3.1. E1 Interface
Bit rate: 2048Kbps±50ppm
Line code: HDB3
Impedance of interface: 75Ω (unbalanced BNC interface)
or 120Ω (balanced RJ-45 interface)
Electrical characteristics: complies with ITU-T G.703
Transfer characteristics: complies with ITU-T G.823
Input jitter tolerance: complies with ITU-T G.823
3.2. Fast Ethernet
Complied with IEEE 802.3 Ethernet, IEEE 802.3u Fast Ethernet
Complied with IEEE 802.3D Spanning Tree, IEEE 802.1q VLAN
Supports oversized frame transmission up to 1916 Bytes
Working mode: 10/100Mbps auto-negotiation, auto-MDI/MDIX (manual setup optional)
Flow control: IEEE802.3x and back pressure
3.3. Optical Interface
Bit rate: 150Mbps
Fiber connecter: SC
Transmission distance: S1: 0 – 25km; S2: 10 – 50km
3.4. Auxiliary Data Channel
RS232 standard, asynchronous, rate: 0~115.2Kbps
3.5. Power Supply
DC: -48V (tolerance range -36V ~ -72V)
AC: 220V (tolerance range 165~265V)
Power consumption: ≤25W
3.6. Ambience
Temperature: 0 ~ 45℃