This manual mainly introduces the hardware installation, fault analysis and other contents of the R1721 router, aiming to help users correctly install and use this product.
The Lenovo R1721 router is a hardware appliance equipped with a monitor port, a 10/100M Ethernet port, a 10M Ethernet port, a serial port, and a network/voice interface card slot. It includes a power socket, power switch, grounding post, and ventilation features to ensure reliable operation.
The guide covers preparation steps, safety warnings, rack or desktop installation, connection of ports, indicator LED meanings, and hardware fault analysis. It also details environmental requirements, grounding, and static discharge protection to help installers avoid damage and ensure proper performance. This manual is written in Chinese.
| CPU | Motorola MPC852T, 66 MHz |
|---|---|
| Memory | EPROM 512 KB, Flash 8 MB, SDRAM 64 MB |
| Dimensions | 445 mm × 310 mm × 45 mm |
| AC Power Input | 100‑240 V, 47‑63 Hz, 1 A @ 230 V |
| DC Power Input | -72 V ~ -36 V, 1.5 A, max 40 W |
It provides one 10/100 M Ethernet port and one 10 M Ethernet port.