TOKEN RING FIBER EXTENDERS
9
2.
'
Introduction
2.1
'
Product Overview
The CampusLIGHT
Token Ring Fiber Extender (LCL112A-TR) allows you to
interconnect Token Ring stations, hubs and switches. On single-mode fiber, links of
up to 40km (25 miles) are possible.
The LCL112A-TR copper port operates with most standard Token Ring products and
protocols including:
•
!
Classic Token Ring stations
•
!
Classic Token Ring concentrators
•
!
Dedicated Token Ring concentrator ports
•
!
Dedicated Token Ring node ports
•
!
Redundant links from classic stations to Ring In/Ring Out ports
•
!
Links between lobe ports of hubs
Examples of common applications are shown in Section 4. The LCL112A-TR Fiber
Extender also inter-operates with the LCL161A/LCL162A Token Ring repeaters to
provide cost-effective SNMP manageable links.
2.2
'
Feature
2.2.1
'
Drive Distances
2.2.1.1
!
Single-mode
A fiber optic link of up to 40km is permitted between extenders. This figure assumes
that the maximum link budget is not exceeded. The link budget is a maximum of 19dB.
The total copper link lengths can be up to 100m on CAT5 UTP.
See Technical Specifications for details.
2.2.2
'
Universal Copper Port
The copper interface automatically supports both 100
Ω
UTP and 150
Ω
STP cable
types. The LCL112A-TR Fiber Extender is always supplied with a shielded RJ45
connector.
