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超強(qiáng)可靠性的保障：N＋1

2005/03/28

　　在可靠性要求很高的場(chǎng)合，板卡硬件損壞造成的損失將是可怕的，但是TelcoBridges的N＋1設(shè)備能夠避免單板卡損壞造成的損失，提供超強(qiáng)可靠性。它采用一塊TB640熱備的方式實(shí)現(xiàn)板卡硬件級(jí)的冗余。特點(diǎn)：

可以實(shí)現(xiàn)960E1的無阻塞交換

在系統(tǒng)發(fā)生故障、備用板卡替代損壞板卡時(shí)，不會(huì)丟失服務(wù)

備用板卡可以替代不同參數(shù)設(shè)置的任意一張主卡

　　TelcoBridges' innovative, ultra performing System-blade is in a class of its own. It allows telecom system integrators to compete effectively by offering a tailor-made option at an extremely affordable price.

　　The TelcoBridges' system-on-a-blade solution has the reliability, flexibility and superior performance to replace any 8-64 trunk telecom system with a single blade. In addition, the bridging of multiple blades can easily increase a single system capacity up to 1024 trunks using our innovative Multi-blade.

TelcoBridges' unique TB640 System-blade? offers:

Easy integration

Dynamic configuration

Non-blocking architecture

Proven flexibility

High availability

Unmatched density

Superior scalability

1:1 to 15:1 …strength and flexibility with no loss of service

　　The TelcoBridges N+1 solution facilitates flexible maintenance without loss of service, and protects the system against any interruption of a TB640 blade connected to the N+1 patch box.

　　The solution comprises up to fifteen active TB640 blades connected to the network through the N+1 patch box, plus one standby TB640 blade waiting to be connected to the network in case of need.

　　The standby TB640 blade can takeover at any time any one active TB640 blade, so re-routing the traffic to the redundant blade until the necessary maintenance is completed.

　　The N+1 architecture is compatible with the TB- Multi-blade? architecture. With N+1, fifteen active blades plus one standby blade can be fully interconnected to create a non-blocking switch of 960 trunks.

　　Control, maintenance and diagnostics are all provided through TB640 API calls, with a full set of easy-to-use functions for complete system status monitoring and control.
N+1 blades can be added live to a system with no downtime. This means the system can scale from a 1:1 to 15:1 protection while it is still running.

　　The TB640 blades attached to the N+1 blades also provide the low power needed by the system.

Features:

Facilitates maintenance without loss of service

Protects against TB640 interruptions

Scales from 1:1 to 15:1

Compatible with the TB-Multi-blade

N+1 PATCH BOX SPECIFICATIONS

Physical Interfaces

N+1 Active Blade

64 trunks internal (to active TB640s)

64 trunks external (to facility)

N+1 Standby Blade

64 trunks internal (to standby TB640)

N+1 Patch box

Total of 960 trunks internal and 1024 external

Scalability

N+1 active blades can be added live and each one supports up to 64 trunks.

Control and Management

Control

Control is done through TB640 API calls

Change between standby to active connections at any time

Management

Can check traffic state on each connection

High Availability and Redundancy

Hot swap

Hot Insertion

Diagnostics

Can detect all N+1 blades from any connected TB640

Each blade component is defined and state is readable by software for easy maintenance: Cable ID, connector ID, Slot ID

Host Operating System

Controlled by TB640 blade

Backplane Interfaces

Proprietary

Mechanical

N+1 Patch box

7U high x 245mm deep

19 inch rack mountable

N+1 Active Blade

6U single slot
Front panel (233 x 160mm)

Connectors

Eight SCSI-3 cables per blade

Each SCSI-3 cables support 16 trunks

N+1 Standby Blade

6U single slot

Front panel (233 x 160mm)

Connectors

Four SCSI-3 cables per blade

Power Requirements

Provided by TB640 Blades
0.1 W per N+1 blade

Environment

Environmental

Operating temperature: 0 to +50C

Storage temperature: -40 to +70C

Operating humidity: 5% to 85% non-condensing

Storage humidity: 95% at +40C

Safety

US: UL60950 (2000)

Europe: EN 60950 (2000)

International: IEC60950 (1999)

EMC

FCC 47 CFR Part 15, Subpart B: 1999 (Class A)

EN55022: 1998 for Class A

EN50024: 1998

Designed to meet NEBS-3 compliance

GR-63 Environmental specifications

GR-1089 EMI/EMC specifications

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