Reference for the
Centillion 100
8/2-port EtherSpeed
10BASE-T/100BASE-FX
Switch Module
Part No. 893-00994-A
May 1997
Page 2
Introduction
The Centillion 100 EtherSpeed 10B ASE-T/100B ASE-FX Switch Module from Bay Netw orks® inserts
into one slot of a Centillion 100™ chassis. The module provides eight 10BASE-T switched ports that
operate at 10 megabits per second (Mb/s) and two 100BASE-FX switched ports that operate at
100 Mb/s.
This guide contains information specific to the 8/2-port EtherSpeed 10BASE-T/100BASE-FX Switch
Module and includes the following topics:
•Status LED descriptions
•Default configuration
•100BASE-FX cable requirements
•10BASE-T port pin assignments
•Technical specifications
•Declaration of Conformity
For information about installing and troubleshooting Centillion 100 EtherSpeed
Using the Centillion 100 EtherSpeed Switch Modules
Each numbered LED turns on, turns off, or blinks to indicate link status and/or data activity as
described in T
Table 1. EtherSpeed LED definitions
LED StateMeaning
Turns onPort is enabled from network management, and a cable is attached.
BlinksData is being transmitted or received.
On (steady, not blinking)Port detects link pulses from the other end, but there is no data.
able 1.
3
Page 4
Default Configuration
T
able 2 lists the factory defaults for ports on the EtherSpeed module.
Table 2. Factory defaults for EtherSpeed 10/100 Mb/s ports
ParameterFactory defaultConfigurable options
Switching modeTransparentTransparent
Spanning Tree ProtocolNoneNone, IEEE
Path cost161–65535
Port partition stateEnabledEnabled, Disabled
FiltersDisabledEnabled, Disabled
PMD type•10BASE-TX
Two SC fiber optic connectors (see Figure
EtherSpeed module provide 100BASE-FX
100 Mb/s ports. The 100BASE-FX ports have the
following options and requirements:
•Maximum fiber cable length
— 380 meters (1246.4 feet) when operating in
half-duplex mode
— 128 meters (419.84 feet) if one of the FX
ports is connected to a repeater that has FX
ports and TX ports
4
3) on the
TXRX
6539
Figure 3. SC connector
Page 5
UTP Port Requirements
The RJ-45 connectors for the 10BASE-T ports accept standard unshielded twisted pair (UTP) cable
and are wired as MDI-X ports to connect end stations without using crossover cables. Use 100-ohm
Category 5 UTP cable with RJ-45 plugs on each end of the UTP cable.
able 3 shows the pin assignments for 10BASE-T UTP ports in the standard MDI-X configuration.
T
Table 3. 10BASE-T MDI-X port pin assignments
RJ-45 connector port
Pin #MDI-X ports
(8-pin modular)
1Receive data +
1 2 3 4 5 6 7 8
2Receive data –
3Transmit data+
4Not used
5Not used
4026
6Transmit data –
7Not used
8Not used
Figure
4 shows the pin assignments for a 10B ASE-T Ethernet UTP crosso v er cable used to connect an
IEEE 802.3 for 10 Mb/s ports
IEEE 802.3u for 100 Mb/s ports
Data Rate
100 Mb/s
Interfaces
SC fiber optic connectors for 100BASE-FX Ethernet
RJ-45 (8-pin modular) connectors for 10BASE-T Ethernet
Microprocessors
Baseboard:64-bit MIPS 4700 series processor, 133 MHz
Memory
Processor:2 MB
Buffer pool:4 MB
Electrical Specifications
Power consumption:35 W (119.35 BTUs)
Physical Specifications
Dimensions:(L) 10.5 by (W) 12.5 by (H) 1.0 in.
(L) 26.7 by (W) 31.7 by (H) 2.5 cm
Weight:2.5 lbs (1.1 kg)
6
Page 7
Environmental Specifications
Operating temperature: 0° to 40° C
Storage temperature:–25° to 70° C
Operating humidity:85% maximum relative humidity, noncondensing
Storage humidity:95% maximum relative humidity, noncondensing
Operating altitude:10,000 ft (3,000 m) maximum
Storage altitude:10,000 ft (3,000 m) maximum
Free fall/drop:ISO 4180-s, NSTA 1A
Vibration:IEC 68-2-6/34
Shock/bump:IEC 68-2-27-29
Electromagnetic Emissions
Meets requirements of:
FCC Part 15, Subpart B, Class A
EN 55 022 (CISPR 22:1985), Class A
VCCI Class 1 ITE
UL listed (UL 1950)
CSA certified (CSA 22.2 #950)
TUV licensed (EN 60 950)
UL-94-V1 flammability requirements for all PC boards
7
Page 8
Declaration of Conformity
The following Declaration of Conformity for the Centillion 100 8/2-port EtherSpeed 10BASE-T/
100BASE-FX Switch Module identifies the product, the Bay Networks name and address, and the
applicable specifications that are recognized in the European community.
Bay Networks is a registered trademark of Bay Networks, Inc. Centillion 100, EtherSpeed, and SpeedView are trademarks
of Bay Networks, Inc.
Other brand and product names are registered trademarks or trademarks of their respective holders.
Statement of Conditions
In the interest of improving internal design, operational function, and/or reliability , Bay Networks, Inc. reserves the right to
make changes to the products described in this document without notice.
Bay Networks, Inc. does not assume any liability that may occur due to the use or application of the product(s) or circuit
layout(s) described herein.
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