Cabletron Systems 2H253-25R Installation & User Manual

15, xiii Figures Figure Page 1-1 The 2H253-25R SmartSwitch 2200.................................................................................1-1 3-1 Tabletop or Shelf Installation...........................................................................................3-4 3-2 Attaching …

22, Overview 1-2 Introduction The 2H253-25R is used to connect individual high-bandwidth user devices, such as workstations, or to provide a central switching point for multiple 10/100 Mbps Fast Ethernet segments. The optional HSIMs provide high speed uplinks to networking technologies such …

39, Cabletron Systems 2H253-25R Connecting to the Network Installation 3-9 Figure 3-6 Straight Cable Connection 3. Tighten the two screws on the RJ21 straight cable connector to secure it to the device. 4. Verify that a link exists on each twisted pair segment of the RJ21 connector by checking that the associated port RX LE…

29, Network Requirements 2-1 2 Network Requirements Before installing the 2H253-25R, review the requirements and specifications referred to in this chapter concerning the following: • SmartTrunk (Section 2.1) • 10BASE-T Twisted Pair Network (Section 2.2) • 100BASE-TX Twisted Pair N…

11, ix DECLARATION OF CONFORMITY Application of Council Directive(s): 89/336/EEC 73/23/EEC Manufacturer’s Name: Cabletron Systems, Inc. Manufacturer’s Address: 35 Industrial Way PO Box 5005 Rochester, NH 03867 European Representative Name: Mr. J. Solari Europea…

36, Installing the Device 3-6 Installation Rack Mounting the 2H253-25R Proceed as follows to install the 2H253-25R into a 19-inch rack: 1. There are several mounting holes in the rackmount brackets and the bottom of the chassis so that each mounting bracket may be adjusted forward or backward to …