Page 2 - Notice
i Notice Notice Cabletron Systems reserves the right to make changes in specifications and other information contained in this document without prior notice. The reader should in all cases consult Cabletron Systems to determine whether any such changes have been made. The hardware, firmware, or soft...
Page 3 - FCC Notice
ii Notice FCC Notice This device complies with Part 15 of the FCC rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. NOT...
Page 4 - DOC Notice
iii Notice DOC Notice This digital apparatus does not exceed the Class A limits for radio noise emissions from digital apparatus set out in the Radio Interference Regulations of the Canadian Department of Communications. Le présent appareil numérique n’émet pas de bruits radioélectriques dépassant l...
Page 5 - Contents
v Contents Chapter 1 Introduction Features........................................................................................................................... 1-2Related Manuals ............................................................................................................ 1-5Get...
Page 7 - Chapter 1; Introduction
1-1 Chapter 1 Introduction The 9E312-12 is a thirteen port switching module with twelve front panel Ethernet interfaces and one Internal Network Bus (INB) backplane interface. This module uses a Fast Packet Switch (FPS) hardware based switch design and an advanced Intel i960 ® microprocessor. This m...
Page 8 - Features
Introduction 1-2 Features Processor The 9E312-12 is equipped with an advanced Intel i960 microprocessor. This microprocessor provides a platform for all management functions such as Spanning Tree, RMON, and MIB support within a scalable RISC-based architecture. Fast Packet Switching The 9E312-12 inc...
Page 11 - Related Manuals
1-5 Related Manuals Related Manuals The manuals listed below should be used to supplement the procedures and technical data contained in this manual. MMAC-Plus Installation Guide MMAC-Plus Operations Guide MMAC-Plus 9C300-1 Environmental Module User ’s Guide MMAC-Plus 9C214-1 AC Power Supply User ’s...
Page 12 - Chapter 2
2-1 Chapter 2 Installing the 9E312-12 Module The 9E312-12 module occupies two slots in the MMAC-Plus chassis. The module must be installed with the left side (as viewed from the front) in an odd numbered slot, and the right side in an even numbered slot. To install the 9E312-12 module, follow the st...
Page 14 - Pinouts
2-3 Pinouts Pinouts The 9E312-12 front panel has twelve RJ-45 Ethernet connections, each of which is internally crossed over. Figure 2-2 illustrates a single RJ-45 Ethernet Connector. Figure 2-2. RJ-45 Ethernet Connector Table 2-1 details the pinout connections for an RJ-45 Ethernet connector. Table...
Page 15 - The Reset Switch
Installing the 9E312-12 Module 2-4 The Reset Switch The reset switch is located on the front panel, under the top plastic tab as shown in Figure 2-3. It serves two functions: resetting the i960 processor and shutting down the module. • To reset the processor, press the reset switch twice within thre...
Page 16 - User Accessible Components
2-5 User Accessible Components User Accessible Components Figure 2-4 shows the various components that can be accessed by users. These consist of an eight position dip switch (explained in the next section), replaceable PROMs, and sockets for memory and flash upgrades. These will be used for future ...
Page 19 - Chapter 3; Operation; Front
3-1 Chapter 3 Operation The 9E312-12 module is a thirteen port device; twelve front panel ports, each represents a separate Ethernet collision domain and one port connected to INB1. As shown in Figure 3-1, Ethernet Network Interface Blocks (ENIBs) convert data packets received from any front panel p...
Page 21 - INB NIB
3-3 INB NIB INB NIB Each module that attaches to the Internal Network Bus (INB ) has an INB Network Interface Block (NIB). The INB NIB converts canonical frames to fixed length data blocks for transmission onto the INB. For data blocks received from the INB, the INB NIB reassembles the data blocks r...
Page 22 - INB Interface
Operation 3-4 and control the SMB LANVIEW diagnostic LEDs. Although the system diagnostic controller and the main host processor can operate independently of each other if needed, they exchange information about each others status and overall module condition. The information gathered by the diagnos...
Page 23 - Chapter 4; LANVIEW LEDs; System Status
4-1 Chapter 4 LANVIEW LEDs The front panel LANVIEW LEDs indicate the status of the module and may be used as an aid in trouble shooting. Shown in Figure 4-1 are the LANVIEW LEDs of the 9E312-12 module. Figure 4-1. The LANVIEW LEDs INB Transmit INB Receive PortReceive 1 2 3 4 5 6 7 8 9 10 11 12 INB 1...
Page 27 - Chapter 5; Specifications; Technical Specifications
5-1 Chapter 5 Specifications Technical Specifications CPU: Intel i960 RISC based microprocessor Memory: 4 Meg. Local RAM (expandable to 12 Meg.)2 Meg. Flash Memory (expandable to 16 Meg.)2 Meg. Packet RAM Standards: IEEE 802.1DIEEE 802.3i 10 Base-T Network Interfaces: RJ-45 Connectors
Page 28 - Safety
Specifications 5-2 Safety This equipment meets: The safety requirements of: • UL 1950 • CSA C22.2 No. 950 • EN 60950 • IEC 950 The EMI requirements of: • FCC Part 15 Class A • EN 55022 Class A • VCCI Class I The EMC requirements of: • EN 50082-1 • IEC 801-2 ESD • IEC 801-3 Radiated susceptibility • ...
