Cabletron Systems 9E132-15, 9E133-36, 9E138-12, 9E138-36b

Introduction

1-2

The 9E138-36 provides 12 ST-type multi-mode ﬁber optic connections for each of

the three channels, for a total of 36 connections.

All ports function as repeaters for incoming data which retime and retransmit all

packets.

Bridging/Routing

The Ethernet MicroLan Switch Modules provide Bridging/Routing between the

front panel channels and/or to any other module in the chassis via FNB -1 or

FNB -2 of the FNB bus. IEEE 802.1d Spanning Tree Protocol is supported in all

bridging functions.

Management Information Base (MIB) Support

All concentrator modules provide MIB support including the following:

• IETF FDDI MIB

• IETF MIB II

• Cabletron Enterprise MIBs

RMON

RMON support (RFC1271).

LANVIEW LEDs

The Ethernet MicroLan Switch Modules use LANVIEW: the Cabletron Systems

built-in visual diagnostic and status monitoring system. With LANVIEW LEDs,

you can quickly identify the device, port, and physical layer status at a glance.

Hot Swapping

The Ethernet MicroLan Switch Modules can be installed or removed from the

chassis while the SmartSwitch 9000 is powered up without affecting the operation

of the remaining modules in the chassis.

For a complete list of supported MIBs, refer to the release notes provided in the

module package.

NOTE