Introduction, User’s guide – Transition Networks STACKMASTER TR SMHB-TR-16 User Manual
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1. Introduction
The TRANSITION Networks 16-Port StackMaster™TR Active Retiming
Managed Hubs are designed for building SNMP managed token ring LANs
using twisted pair cable.
The StackMaster™TR Managed Hub:
•
Complies with current IEEE 802.5 token ring standards to ensure
interoperability
•
Supports external SNMP network management
•
Provides sixteen RJ-45 lobe ports support both STP and UTP
•
Provides active signal retiming and regeneration on a per port basis
maximizes lobe and RI/RO cable runs
•
Supports Category 3, 4 or 5 UTP/STP and IBM Type 1 Cable
•
Allows 4 or 16 Mbps operation
•
Allows RI/RO connection to both “active hubs” and “passive hubs”
•
Delivers fault-tolerant, automatic ring wrap capability at RI/RO
•
Provides Zero Delay Lockout, automatic lockout of station configured
at wrong speed
•
Installed as standalone or rackmount in a standard 19” rackmount
frame.
•
Provides serial port connection for Out of Band management.
NOTE: The StackMaster™TR 16-Port Hub is designed to support an
Active Retime environment with HOT SWAP capability. An active hub
can be added or removed without bringing the network down.
USER’S GUIDE
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16
Lobe Ports
Active Retiming Managed Hub
Insert
Normal
Power
Ring Out
4 Mbps
P
A
16 Mbps
Reset
™
16 Port StackMaster TR
ZDL
OFF
ON
1 2 3
4
5 6 7 8
Expansion Card
Indicators
Enable
Status
Ring In
P
A
n e t w o r k s
T R A N S I T I O N