This is an old revision of the document!
Cisco SG220 / SF220 Series
Models
| Model | SoC | PoE | Comment |
|---|---|---|---|
| SG220-50 | |||
| SG220-50P | ✓ | ||
| SG220-26 | RTL8382M | ||
| SG220-26P | ✓ | ||
| SF220-24 | 10/100 ports only | ||
| SF220-24P | ✓ | 10/100 ports only | |
| SF220-48 | 10/100 ports only | ||
| SF220-48P | ✓ | 10/100 ports only |
All models share the same firmware image. The image format is the same as the bix format, used by the Zyxel GS1900 series switches.
SG220-26
- 2 * RTL8218B PHYs
- RTL8214FC SFP PHY
- 3 * RTL8231 GPIO extenders
- Winbond W631GU8MB (128MB SDRAM)
- Macronix MX25L25635F (32MB SPI flash)
- Sipex SP3232 RS-232 transceiver
JTAG
- J4.1: TRST#
- J4.3: TDI
- J4.5: 3.3V (VREF?)
- J4.7: TMS
- J4.9: TCK
- J4.11: 3.3V (VREF?)
- J4.14: TDO (via 47KΩ)
- J4.2,4,6,8,10,12: GND
Hardware
