Introduction - Transition Networks STACKMASTER TR SMHB-TR-16 User Manual

1. Introduction

USER'S GUIDE
The TRANSITION Networks 16-Port StackMaster™TR Active Retiming
Managed Hubs are designed for building SNMP managed token ring LANs
using twisted pair cable.
16 Port StackMaster TR ™
Active Retiming Managed Hub
Insert
T R A N S I T I O N
P
4 Mbps
n e t w o r k s
Power
Reset
16 Mbps A Ring In
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.
Normal
1 2 3 4 5 6 7 8
P
Ring Out
A
Lobe Ports
Expansion Card
9 10 11 12 13 14 15 16
OFF
ON
ZDL
Indicators
Enable Status
1 2 3 4
5 6 7 8
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