User manual

Raisecom Technology Co., Ltd

3. Parameters

3.1. E1 Interface Specification

Bit rate: 2048Kbps±50ppm

Line code: HDB3

Interface impedance: 120Ω balanced signal

Electrical characteristic: Compliant to ITU-T G.703

Transfer characteristic: Compliant to ITU-T G.823

Jitter Tolerance: ITU-T G.724

3.2. Fast Ethernet Interface Specification

IEEE 802.3

IEEE 802.3u

IEEE 802.1d Spanning Tree

IEEE 802.1q VLAN

Support oversized Ethernet data frame up to 1916 bytes

Working mode: 10/100M Auto-Negotiation, Auto-MDI/MDIX (manual configurable)

Flow control: IEEE802.3x and back pressure

3.3. Optical Interface Specification

Bit rate: 150Mbps

Fiber connector: SC

Transmission distance: Multimode dual-strand M=0 – 2 km

Single mode dual-strand S1=0-25 km, S2=10-60 km,

S3=15-120 km

3.4. Ambience

Working temperature: 0 ~ 45℃

Relative humidity: ≤ 90% (25℃)