Juniper EX4550, Руководство по оборудованию

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Table 56: Cable Specification for 10GBASE-T Network Ports and 10GBASE-T Expansion Module
Ports
Additional
Information Frequency
(MHz) Maximum
Reach Cable Standard
Specification
IEEE Cable Standard
Ports on
Switches
CAT 6 cables are
defined to perform at
frequencies up to
250 MHz and are
sensitive to alien
crosstalk. To use such
cables to connect to
10GBASE-T ports, you
must ensure that the
cable installation is
tested and is certified
for 500 MHz as per TIA
TSB-155 standard. 1–250 180 ft (55 m) ISO/IEC TR 24750 / TIA
TSB-155-A Class E/ CAT 6
Unshielded Twisted
Pair (UTP) 10GBASE-T
network
ports and
10GBASE-T
expansion
module
ports
1–250 328 ft (100 m) ISO/IEC TR 24750 / TIA
TSB-155-A Class E/ CAT 6
Shielded Twisted Pair
(STP)
1–500 328 ft (100 m) ISO/IEC 11801:2002
Amendment 1 / ANSI
TIA-568-C.2 Class EA/ CAT 6A
1–600 328 ft (100 m) ISO/IEC TR24750 Class F/ CAT 7
1–1000 328 ft (100 m) ISO/IEC 11801:2002
Amendment 1 Class FA/ CAT 7A
Table 57: Cable Specifications for Switch-to-Management-Device Connections
Additional Information
Maximum
Length Cable/Wire
Supplied IEEE Cable
Standard
Ports on Switches
“Connecting a Switch to a Network for
Out-of-Band Management” on page 169 7 ft (2.13 m) One 7-ft (2.13-m)
length with
RJ-45/DB-9
connectors CAT5e UTP RJ-45 Console (CON) port
“Connecting a Switch to a Management
Console” on page 171 – No CAT5e UTP Management (MGMT)
Ethernet port
(10/100/1000)
“Connecting an EX4550 Switch to a
Management Console Using the
Mini-USB Type-B Console Port” on
page 173 – No – Mini-USB Type-B Console
port
Related
Documentation
Management Port Connector Pinout Information for an EX4550 Switch on page 126
•
•
Mini-USB Port Specifications for an EX4550 Switch on page 124
•
Console Port Connector Pinout Information for an EX Series Switch on page 123
•
EX4550 Switches Hardware Overview on page 3
119 Copyright © 2015, Juniper Networks, Inc.
Chapter 8: Transceiver and Cable Specifications