hmc0316的部落格

NAC (Network Access Control)

今天去中華電信機房

看到了

Hypercom NAC 7800

除了CR7350以及一堆HP做的服務器,還有兩台F5 2000等等,

只有不太明白擺這二台做什麼??

网控器

NAC7800 － 中型模拟拨号网控器

功能特点：

将WANs,Frame Relay和IP集于一体便于管理。
支持多种协议的POS等终端接入，WAN广域网协议网关。
提供协议优先权处理，拥塞控制，动态数率变化带宽调节，专用协议转换处理器。
具有双路负载共享能力的冗余TDM和数据包总线。
集成数据压缩和加密，高密度多服务访问网关。
支持V.92/V.29等海博通的高速FastPOS。
容量为8个插槽，可供热插拔的双电源模块。

技术参数：
机箱： 8槽,可热插拔
尺寸： 48.26 x 33.02 x 13.46厘米
重量： 12.6千克
热耗： 450BTU每小时
工作湿度： 25%-95%,无凝露
电源 AC： 115/230V,3.5A,50/60Hz
物理接口： Ethernet 10Base-T, RS-232, V.35
POS拨号端口：Visa I/II, Apex, HDLC, synchronous (SDLC & asynchronous)
总线：高速并行包总线,串行包总线,PCM高速总线
modem支持： V.21 Bell 103/212A, Autodial 300/1200/2400 synchronous (SDLC) & asynchronous, V22bis, V.29海博通 FastPOS, V.32, V.32bis, 可选用 V.34, V.90
用户协议支持：TCP/IP, SNA/SDLC LU.0 & LU.2, Bisync 3270 & 3780, Burroughs Poll/Select, IP, X.25
WAN协议支持：IP, Frame Relay, X.25, HDLC
WAN备份：V.32, V.32bis, 可选用 V.34, V.90
认证： FCC Part 15, UL (USA) UCL (Canada), CB and CE
NAC 7800 Features:

NAC 7800 features:
Mid-range dial access concentrator with fault-tolerant
multifunction architecture
Multiprotocol POS dial access support for up to eight
communication port processors
Chassis interconnect to form small and midsize networks
Provides protocol prioritization, congestiion control,
Dynamic Rate Change bandwidth adjustment,
concentration and protocol conversion
Supports RS485 connection to Hypercom® POS LAN
terminals and multi-frequency signaling: Type I or 2
Redundant hot-swappable power supplies

The Hypercom FastPOS Advantage

Hypercom FastPOS® introducts exciting, new technology to the POS marketplace. It enables merchants, transaction acquirers, card issuers and service providers to all benefit from high-speed, 9600bps modem technology specifically engineered for POS network. The high speed that Hypercom FastPOS offers enables existing telephone network infrastructures to reduce operational costs by carrying more transactions on the same lines. Best of all, Hypercom FastPOS is backward compatible with existing Hypercom terminals.

Full-Coverage Network Management

HypercomView™, the full-coverage network management system, delivers all the tools needed to keep POS networks running smoothly. The client/server architecture provides comprehensive activity and performance statistics, alerts and alarms, and remote downloads and upgrades. HypercomView sets new standards in GUI-based management for detail, simplicity and speed. Easy-to-read charts, diagrams and maps help network managers configure, administer and troubleshoot complex POS networks. Management system screens display precise status and configuration information simultaneously so managers can perform multiple, concurrent administration tasks.

Global Transaction Technology

As technology moves faster and faster, the NAC 7800 plays an even more strategic role in the ePic framework. Hypercom network owners know they can freely evolve from one technology to another with the assurance that yesterday’s systems will seamlessly integrate into tomorrow’s newest offerings. From satisfying customers with better service to improving bottom lines, Hypercom delivers.
NAC 7800 Features:

NAC 7800 features:
Mid-range dial access concentrator with fault-tolerant
multifunction architecture
Multiprotocol POS dial access support for up to eight
communication port processors
Chassis interconnect to form small and midsize networks
Provides protocol prioritization, congestiion control,
Dynamic Rate Change bandwidth adjustment,
concentration and protocol conversion
Supports RS485 connection to Hypercom® POS LAN
terminals and multi-frequency signaling: Type I or 2
Redundant hot-swappable power supplies

The Hypercom FastPOS Advantage

Hypercom FastPOS® introducts exciting, new technology to the POS marketplace. It enables merchants, transaction acquirers, card issuers and service providers to all benefit from high-speed, 9600bps modem technology specifically engineered for POS network. The high speed that Hypercom FastPOS offers enables existing telephone network infrastructures to reduce operational costs by carrying more transactions on the same lines. Best of all, Hypercom FastPOS is backward compatible with existing Hypercom terminals.

Full-Coverage Network Management

HypercomView™, the full-coverage network management system, delivers all the tools needed to keep POS networks running smoothly. The client/server architecture provides comprehensive activity and performance statistics, alerts and alarms, and remote downloads and upgrades. HypercomView sets new standards in GUI-based management for detail, simplicity and speed. Easy-to-read charts, diagrams and maps help network managers configure, administer and troubleshoot complex POS networks. Management system screens display precise status and configuration information simultaneously so managers can perform multiple, concurrent administration tasks.

Global Transaction Technology

As technology moves faster and faster, the NAC 7800 plays an even more strategic role in the ePic framework. Hypercom network owners know they can freely evolve from one technology to another with the assurance that yesterday’s systems will seamlessly integrate into tomorrow’s newest offerings. From satisfying customers with better service to improving bottom lines, Hypercom delivers.