52.

Installing 8260

Modules in an 8260

Not Managed by DMM

. . . . . . . .

83

53.

Installing 8250

Modules in an 8260 Managed by DMM . .

. . . . . . . . .

84

54.

Installing 8250

Modules in an 8260

Not Managed by DMM

. . . . . . . .

85

55.

Messages Received when a Power Failure Occurs . . . .

. . . . . . . . .

86

56.Using the SHOW HUB Command . . . . . . . . . . . . . . . . . . . . . . . . 87

57. Using the SHOW POWER MODE Command . . . . . . . . . . . . . . . . . 87

58.Messages Received when the Power Mode Is Changed . . . . . . . . . . 88

59.Messages Received upon a Recovery of the Power Supply . . . . . . . . 88

60.8260 Fan Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91

61.Output from Show Hub Command . . . . . . . . . . . . . . . . . . . . . . . 92

62.

Output from Show Power Mode Command

. . . . . . . . . . . . . . . . . .

93

63.

8260 Cooling Zones and Power Classes

. . . . . . . . . . . . . . . . . . .

94

64.

Flow Chart for an Overheat Condition . .

. . . . . . . . . . . . . . . . . . .

95

65.

Front View of 24-Port 10Base-T Module .

. . . . . . . . . . . . . . . . . .

101

66.24-Port10Base-T Module Side View . . . . . . . . . . . . . . . . . . . . . 102

67.24-Port10Base-T DIP Switches . . . . . . . . . . . . . . . . . . . . . . . . 103

68.24-Port10Base-T Module Usage . . . . . . . . . . . . . . . . . . . . . . . 104

69.

Front View of 20/40-Port 10Base-T Modules

108

70.

20/40-Port 10Base-T Module Side View

109

71.20/40-Port10Base-T DIP Switches . . . . . . . . . . . . . . . . . . . . . . 110

72.

Front View of 10-Port 10Base-FB Module

115

73.

10-Port10Base-FB Module Side View

116

74.10-Port10Base-FB DIP Switches . . . . . . . . . . . . . . . . . . . . . . . 117

75.10-Port10Base-FB Module Usage . . . . . . . . . . . . . . . . . . . . . . 118

76. Configuring Port Redundancy for 8260 Ethernet Modules . . . . . . . . 119

77.Default Security Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124

78.Network Security Address Table . . . . . . . . . . . . . . . . . . . . . . . 125

79.Ethernet Security Intruder Table . . . . . . . . . . . . . . . . . . . . . . . 127

80.Differential Manchester Coding . . . . . . . . . . . . . . . . . . . . . . . . 132

81.

Self-Shorting Relays on the ShuntBus

135

82.

8260

Backplane Signalling for 4 Mbps Operation

136

83.

8260

Backplane Signalling for 16 Mbps Operation

137

84.

Components of Dual Phase Lock Loop

139

85.

DPLL Implementation on Active Ports

140

86.

Components of DPLL Implemented on JADC

141

87.Token-RingPer-Port Switching . . . . . . . . . . . . . . . . . . . . . . . . 144

88.

Static Switch Display for Active Per-Port Switching Ports

146

89.

Switching Ports with Enabled Static Switch

. . . . . . . . . . . . . . . .

147

90.

Port Switching with Source Routing Bridges

148

91.

Port Display for Token-Ring Passive Ports

150

92.Show Device Command for TRMM . . . . . . . . . . . . . . . . . . . . . 154

93.

Recovery ASIC in Module Switching Module

155

94.

Recovery ASIC in Per-Port Switching Module

156

95.

Display Output for 20-Port Passive Module

156

96.

Display Output for 18-Port Active Per-Port Switching Module

157

97.

Beacon Recovery on the Module Switching Modules

. . . . . . . . . .

159

98.

Address-to-Port Map Display for a Module Switching Module

161

99.Address-to-port Mapping on Module Switching Modules for Fan-Out

 

Attached Devices

162

100.

Address-to-Port Map Display for Fan-Out Attached Devices

. . . . . .

163

101.

Address-to-Port Map Display for MAC-less Stations

164

102.

Address-to-Port Mapping on Per-Port Switching Modules

164

103.

Address-to-Port Map Display for a Per-Port Switching Module

166

104.Dual-Ring Topology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167

105.Wrapback in Dual-Ring Topology . . . . . . . . . . . . . . . . . . . . . . . 168

x 8260 Multiprotocol Intelligent Switching Hub

Page 12
Image 12
IBM Front View of 10-Port 10Base-FB Module 115, 116, Configuring Port Redundancy for 8260 Ethernet Modules, 135, 139

8260 specifications

The IBM 8260 is a significant entry in the realm of enterprise servers, recognized for its performance, scalability, and robust features designed to cater to demanding business environments. It primarily serves as a high-capacity server for large organizations, capable of handling extensive workloads and complex applications without compromising speed or efficiency.

One of the standout features of the IBM 8260 is its powerful processing capabilities. It typically comes equipped with multiple processor units based on the IBM POWER architecture, which is renowned for its high-performance computing. This architecture allows the server to execute numerous simultaneous tasks, making it ideal for environments that require multitasking and high throughput.

Memory capacity is another key characteristic of the IBM 8260. Depending on the specific configuration, it can support substantial amounts of RAM, ensuring that applications can run effectively without the bottlenecks often associated with data-intensive tasks. This is crucial for enterprises that rely on real-time data analytics, large database management, and resource-heavy applications.

In terms of storage, the IBM 8260 offers flexible options. It supports a variety of storage solutions, including solid-state drives (SSDs) and traditional hard drives, catering to different performance and capacity needs. This scalability in storage helps organizations manage their data effectively while ensuring quick access and retrieval times.

Connectivity is also a prominent feature of the IBM 8260. The server includes advanced networking capabilities, supporting various protocols and technologies that facilitate fast data transfer and communication between devices. This enhances overall network performance, essential for businesses that depend on cloud computing and distributed computing environments.

Additionally, the IBM 8260 is designed with a focus on reliability and availability. It incorporates redundant components, such as power supplies and cooling systems, minimizing the risk of downtime. This is critically important for enterprises that require continuous availability of services.

The server’s management features are also noteworthy. IBM provides a suite of management tools that allow IT administrators to monitor performance, configure hardware settings, and troubleshoot issues seamlessly. This ease of management is bolstered by automation capabilities, enabling organizations to enhance operational efficiency.

In conclusion, the IBM 8260 stands out in the competitive server landscape due to its high processing power, extensive memory and storage options, advanced connectivity, reliability features, and robust management tools. Such attributes make it a viable choice for organizations seeking to enhance their IT infrastructure and streamline their operations effectively.