1
Introduction
This chapter introduces the 2H253-25R SmartSwitch 2200 device and provides information about how to obtain additional support from Cabletron Systems.
Important Notice
Depending on the firmware version used in the 2H253-25R, some features described in this document may not be supported. Refer to the Release Notes shipped with the 2H253-25R to determine which features are supported.
1.1OVERVIEW
The 2H253-25R (Figure 1-1) is an Ethernet/Fast Ethernet standalone device with two RJ21 front panel connectors (each containing 12 switched ports), and 1 slot for an optional High Speed Interface Module (HSIM) or Very High Speed Interface Module (VHSIM).
LED MODE Switch | Port Status | HSIM/VHSIM Slot |
LEDs | |
| |
FAST ETHERNET WORKGROUP SWITCH | | | | | | | | | | | |
| LED | 2 | 4 | 6 | 8 | 10 | 12 | 14 | 16 | 18 | 20 | 22 | 24 |
| MODE | 1 | 3 | 5 | 7 | 9 | 11 | 13 | 15 | 17 | 19 | 21 | 23 |
| RX-TX |
| | | | | | | | | | | | |
| DPX-SPD | | | | | | | | | | | | |
| | PWR | | | | | | | | | | | |
2H253-25R | RESET | CPU | | | | | | | | | | | |
COM | | | | | | | | | | | | |
| | | | | | | | | | | | |
| Reset | COM | System | Network Ports 1-24 | |
| Button | Port | |
| LEDs | (Two RJ21 connectors) | 27621-01 |
| | |
Figure 1-1 The 2H253-25R SmartSwitch 2200
