Cabletron Systems SEH100TX-22 manual Chapter Installation Requirements Specifications

CHAPTER 3

INSTALLATION REQUIREMENTS

AND SPECIFICATIONS

This chapter describes cabling requirements, network guidelines, and operating specifications for the SEH100TX-22.

The network must meet the requirements and conditions

!specified in this chapter to obtain satisfactory performance from

CAUTION	this equipment. Failure to follow these guidelines could result in
	poor network performance.

3.1CABLE SPECIFICATIONS

The front panel SEH100TX-22 network ports support Category 5 Unshielded Twisted Pair (UTP) cabling. Ethernet Port Interface Modules (EPIMs) expand the network using UTP (EPIM-100TX) or multimode fiber optic (EPIM-100FX or EPIM-100FMB) cabling. For information concerning the two EPIM types, refer to Appendix A. The rear panel Interconnect Bus ports support Cabletron Systems Interconnect cables for stackable applications.

Take care in planning and preparing the network cabling and connections. The quality of the connections and the length of cables are critical factors in determining the reliability of the network. The following sections provide the specifications for each media type.

3.1.1HubSTACK Interconnect Cable Requirements

Connect units in the stack together with the HubSTACK Interconnect cables shipped with the SEH module and available only from Cabletron Systems (P/N 9380209). The cables attach to the SEH100TX-22 rear panel bus ports.

The rear panel of the SEH has an Interconnect Bus Out port and an Interconnect Bus In port to stack hubs together. The bus supports five stackable devices. Stack up to five SEH hubs together or stack up to four SEH hubs together with one SEHI100TX-22.

SEH100TX User’s Guide 3-1