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IBM 1754 GCM16 and GCM32 Global Console Managers 1

I B M ®

IBM 1754 GCM16 and GCM32 Global Console

Managers

IBM Redbooks Product Guide

The IBM Global 2X2X16 Console Manager (GCM16) and IBM Global 4X2X32 Console Manager

(GCM32) are the next generation digital keyboard-video-mouse (KVM) console managers that provide

KVM-over-IP and serial console management technology in a single appliance. Either console lets you

access and manage all servers remotely, even to the system BIOS, using your existing IP infrastructure.

The GCM16 has 16 target ports and supports up to 2 local users and 2 remote users, and the GCM32 has

32 target ports and supports up to 2 local users and 4 remote users. Figure 1 shows these two models.

Figure 1. The IBM Global Console Managers: GCM16 (top) and GCM32 (bottom)

Did You Know?

The GCM16 and GCM32 Global Console Managers provide enhanced remote management, access, and

security capabilities with out-of-band access to servers, network equipment, and other devices with serial

configuration or console ports all from a single appliance. This unified approach improves staff efficiency

by reducing the time required to remotely diagnose, reconfigure, repair, or restore servers as well as

network devices and other hardware with serial configuration or management consoles, or both.

The serial capabilities of these appliances enable connecting and managing nearly any device with a

serial port directly from the console manager, including switches, routers, and PDUs. SSH and Telnet

connections are supported.

Summary of content (17 pages)

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I BM ® IBM 1754 GCM16 and GCM32 Global Console Managers IBM Redbooks Product Guide The IBM Global 2X2X16 Console Manager (GCM16) and IBM Global 4X2X32 Console Manager (GCM32) are the next generation digital keyboard-video-mouse (KVM) console managers that provide KVM-over-IP and serial console management technology in a single appliance. Either console lets you access and manage all servers remotely, even to the system BIOS, using your existing IP infrastructure.
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Part number information Ordering information is shown in Table 1. Note that when ordering with feature codes, use machine type-model 1754HC1 for the GCM16 and 1754HC2 for the GCM32. Table 1.
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With server densities continually increasing, cable bulk remains a major concern for network administrators. The GCM16 and GCM32 switches significantly reduce KVM cable volume in the rack by utilizing the innovative conversion option cables and single, industry-standard CAT-5 UTP cabling. This allows a higher server density while providing greater airflow and cooling capacity.
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Table 2.
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Connections Figure 2 shows the connections on the GCM32 Global Console Manager. The GCM16 Global Console Manager has identical connections except it only has 16 ARI ports, whereas the GCM32 has 32 ARI ports. Figure 2. Connections on the GCM32 Global Console Manager Note: Figure 2 shows the rear of the unit. There are no connectors on the front of the unit.
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Figure 3. Two local users in a tiered configuration Local user connections: Local displays are connected to the console switch using VGA analog connections. Keyboard and mouse must be USB attached and two USB ports are provided for this purpose. Two additional USB ports are provided for the attachment of devices such as optical drives or memory keys. These devices can be made available on remote target systems provided Virtual Media Conversion Options are used to connect to those target systems.
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Remote access via Ethernet or Modem: Remote access to console switch and to the target systems is via a Web browser. The switch provides agentless remote control and access. No special software or drivers are required on the attached servers or client. Access is normally via a standard Ethernet network, requiring that the console switch be connected to the network via one or both Ethernet ports. Connecting both ports provides redundancy.
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Local and remote user interfaces: The OSCAR interface of older console switches has been replaced by a Web browser interface, which is accessible both locally and remotely. You can use the local management interface by connecting directly to the local port to manage the GCM16 and GCM32 switches. You can also use the remote browser interface to manage your switch. The browser interface is launched directly from the switch, and any devices connected to the GCM16 and GCM32 switches are automatically detected.
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Use of encryption: The GCM16 and GCM32 support encryption for KVM signals and for remote media. Available encryption levels are 128-bit SSL, DES, 3DES, or AES. These are configurable via the browser interface. True serial capabilities: The GCM16 and GCM32 switches support Serial Conversion Option (SCO) cables that provide serial capabilities through Telnet. The capability provides a proper serial connection, not serial-to-VGA conversion.
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Chaining IBM’s cable chaining solution enables users to manage a "daisy chain" of multiple servers through a single connection to the console switch, replacing many long cables with just a few short ones, simplifying rack management, helping lower cabling cost and reducing setup, diagnostic, and maintenance times.
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Tiered consoles You can tier multiple rack console switches to enable access to additional servers. In a tiered system, an ARI port on the main rack console switch connects to the ACI port of a tiered rack console switch (see Figure 3 for locations of these ports). Consider a tiered configuration if you want to manage servers connected to multiple switches from one central location.
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Physical specifications The GCM16 has the following specifications: Height: 4.37 cm (1.72 inches) - 1 rack unit (1R) Width: 43.18 cm (17 inches) Depth: 32.4 cm (9.2 inches) Weight: 3.2 kg (7.0 lb) The GCM32 has the following specifications: Height: 4.37 cm (1.72 inches) - 1 rack unit (1R) Width: 43.18 cm (17 inches) Depth: 32.4 cm (9.2 inches) Weight: 3.5 kg (7.
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Avocent DSView management software Avocent DSView management software provides data centers with a secure, centralized management solution for all IT assets. This software allows administrators to access, diagnose, and modify any managed device from any point on the globe, regardless of the health or status of the OS or the network connection to those devices.
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Supported systems The console switches are supported connected to the IBM BladeCenter chassis listed in Table 4. Table 4. Supported IBM BladeCenter chassis Part number IBM Global 2x2x16 Console Manager (GCM16) 1754D1X Y Y Y Y Y IBM Global 4x2x32 Console Manager (GCM32) 1754D2X Y Y Y Y Y The console switches are supported connected to the IBM System x servers listed in Table 5. Table 5.
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Supported racks The GCM16 and GCM32 Console Managers can be mounted in one of the following rack cabinets:          IBM IBM 42U S2 Rack IBM 42U Enterprise Rack IBM 25U S2 Rack IBM 11U Office Enablement kit IBM S2 42U Dynamic Standard Rack IBM S2 25U Standard Rack IBM 1200 mm Deep Static Rack IBM 1200 mm Dynamic Rack IBM 42U Enterprise V2 Rack Related publications and links For more information refer to these documents and Web links:  IBM Digital Console Switches product page http://www-03.ibm.
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Notices This information was developed for products and services offered in the U.S.A. IBM may not offer the products, services, or features discussed in this document in other countries. Consult your local IBM representative for information on the products and services currently available in your area. Any reference to an IBM product, program, or service is not intended to state or imply that only that IBM product, program, or service may be used.
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This document was created or updated on March 28, 2013. Send us your comments in one of the following ways: Use the online Contact us review form found at: ibm.com/redbooks  Send your comments in an e-mail to: redbook@us.ibm.com  Mail your comments to: IBM Corporation, International Technical Support Organization Dept. HYTD Mail Station P099 2455 South Road Poughkeepsie, NY 12601-5400 U.S.A.  This document is available online at http://www.ibm.com/redbooks/abstracts/tips0772.html .