The R4802 router is designed for enterprise-class aggregation networks. It has strong data processing capability, high security features, rich routing protocols, traffic management strategies, flexible management and maintenance, etc.
This guide introduces the Lenovo R4802 high‑end router, describing its architecture, technical features, and hardware specifications. It also outlines safety and environmental requirements before installation.
The document then walks through the complete installation process, including chassis mounting, main‑board installation, cable connections, console and AUX port setup, as well as hardware fault analysis and maintenance procedures such as board replacement and memory/boot ROM upgrades. This manual is written in Chinese.
| Flash memory | 16 M (expandable to 64 M) |
|---|---|
| Boot ROM | 1024 K |
| Ethernet ports (10/100/1000 M) | 2 ports, SFP optional |
| Ethernet port (10/100 M) | 1 port, copper only |
| Console port | 1 RJ45 console |
| AUX port | 1 RJ45 AUX |
| SYSOK indicator | LED shows system normal |
| SYSERR indicator | LED shows system error |
| Packet forwarding rate | 400 Kpps |
| Dimensions (W×H×D) | 445 × 280 × 44 mm |
| Weight | 5.5 kg |
| Maximum power consumption | 30 W |
| AC power input | 100–240 V, 47–63 Hz, 1 A |
| DC power input | -72 to -36 V, 3 A |
The router can be powered by an AC source of 100–240 V, 47–63 Hz, 1 A, or by a DC source of –72 to –36 V, 3 A.