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CHAPTER 1
NETWORK REQUIREMENTS
Before installing the HSIM-SSR-600, review the requirements and specifications referred to in this chapter concerning the following:
•
10BASE-T Twisted Pair Network (Section 1.2)
•
100BASE-TX Twisted Pair Network (Section 1.3)
The network installation must meet the guidelines in this chapter and in the documents referenced in this chapter to ensure satisfactory performance of the equipment. Failure to follow the guidelines may produce poor network performance.
If the device connected to the Ethernet port of the HSIM-SSR-600 cannot perform auto-detection, the speed for the HSIM-SSR-600 must be manually set.
The guidelines in Section 1.2 and Section 1.3 are specifically for the fixed
twisted pair front panel port only, labeled 10/100 on the HSIM-SSR-600.
For the different SWPIMs that can be installed in the SWPIM slots, refer to the applicable installation guide for the specific SWPIM.
NOTE
The Cabletron Systems Cabling Guide, referred to in the following sections, can be found on the Cabletron Systems
World Wide Web site: http://www.cabletron.com/
1.1
10/100 ETHERNET/CONSOLE PORT
The port labeled 10/100 is used for Ethernet and can also operate as a console port for Local Management, but not simultaneously. The Ethernet cable is connected directly to the 10/100 port, but a special cable adapter is used to connect the port for Local Management. The adapter, part number 9360222, is shipped with the HSIM-SSR-600. Refer to
Section 2.4 for information on connecting the port to Ethernet, and
Section 2.5 for information on connecting the port for Local
Management.
!
CAUTION
Do not connect this port to a Local Management monitor without using the special cable adapter.
HSIM-SSR-600 Installation Guide 1-1
Chapter 1: Network Requirements
1.2
10BASE-T NETWORK
When connecting a 10BASE-T segment to the HSIM-SSR-600 port, ensure that the network meets the Ethernet network requirements of the
IEEE 802.3 standard for 10BASE-T. Refer to the Cabletron Systems
Cabling Guide for details.
NOTE
If a port is to operate at 100 Mbps, Category 5 cabling must be used. For 10 Mbps operation only, Category 3 cabling can be
used. Refer to Section 1.3 for information about 100BASE-TX
networks and cabling.
1.3
100BASE-TX NETWORK
The 10/100 front panel port of the HSIM-SSR-600 provides an RJ45 connection that supports Category 5 UTP cabling for 100 Mbps operation. Do not use the special cable adapter when making a connection to Ethernet. The device at the other end of the twisted pair segment must meet IEEE 802.3u 100BASE-TX Fast Ethernet network requirements for the devices to operate at 100 Mbps. Refer to the Cabletron Systems
Cabling Guide for details.
NOTE
The 10/100 port of the HSIM-SSR-600 supports Category 5
UTP cabling with an impedance between 85 and 111 ohms for
10 and 100 Mbps operation.
The HSIM-SSR-600 is capable of operating at either 10 or
100 Mbps. The HSIM-SSR-600 can automatically sense the speed of the other Cabletron device and adjust its speed accordingly.
1.4
WAN NETWORK REQUIREMENTS
Each SWPIM has to meet its own cabling and network requirements to be properly connected to the WAN. Please refer to the appropriate SWPIM user’s guide in order to follow the specific requirements. Refer to
Optional Features in the Introduction for more information on the
SWPIMs.
1-2 HSIM-SSR-600 Installation Guide
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