NPH-20.indd

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Specifications	NPH-20.indd
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KS8842M 2-Port Ethernet Switch with Non-PCI Interface The KS8842M is the industry’s ﬁrst fully managed 2-port sw

Specifications	NPH-20.indd
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Content	KS8842M 2-Port Ethernet Switch with Non-PCI Interface The KS8842M is the industry’s ﬁrst fully managed 2-port switch with a non- PCI CPU interface. The KS8842 is a proven, fourth generation, integrated Layer 2 switch that is compliant to the IEEE 802.3u standard. The KS8842M can also be conﬁgured as a low-latency repeater to allow for ‘cut thru’ in latency-critical Embedded or Industrial Ethernet applications. For industrial automation applications in the repeater mode, the KS8842M runs in half-duplex mode regardless of the application. The KS8842M offers an extensive feature set that includes tag/port-based VLAN, QoS priority management, MAC ﬁltering function, MIB counters, and CPU control/data interfaces to effectively address both current and emerging Fast Ethernet applications. The KS8842 contains two 10/100 transceivers with patented mixed-signal low-power technology, two media access control (MAC) units and a direct memory access (DMA) channel, a high-speed non-blocking switch fabric, a dedicated 1K entry forwarding table, and an on-chip frame buffer memory. Beneﬁts The KS8842M offers all the features of an integrated Layer 2 managed switch plus: Fully compliant to the IEEE 802.3u standard Repeater mode capabilities to allow for cut-thru in latency-critical Embedded or Industrial Ethernet applications MAC ﬁltering function to ﬁlter unicast packets Dynamic buffer memory scheme — Essential for applications such as Video over IP where image jitter is unacceptable 2-Port switch with ﬂexible 8/16/32 bit generic host processor interface Micrel LinkMD™ cable diagnostic capabilities to determine cable length, diagnose faulty cables, and determines distance to fault HP Auto MDI-X crossover with disable and enable option Industrial Temperature support: –40°C to +85°C available from Q4 05 Four priority queues to handle voice, video, data, and control packets Applications Industrial applications for daisy chaining multiple devices Industrial control in latency critical applications Port redundancy and port monitoring Security cameras VoIP phone and ATA adaptors • • • • • • • • • • • • • • KS8842M Block Diagram
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Following Datasheets	NPH-21_1 (8 pages) NPH-24_1 (8 pages) NPH-25_1 (8 pages) NPH-26_1 (8 pages) NPH-27_1 (8 pages) NPH-28_1 (8 pages) NPH-38_1 (8 pages) nrdip2008-1_1 (1 pages) nrdip2008-2_1 (1 pages) nrdip2008-3_1 (2 pages)
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