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Cisco AS5400 » History » Version 8

laforge, 09/24/2023 06:28 PM

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h1. Cisco AS5400
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This is a modular access server for voice, data (ISDN) and modem calls. It has a modular archticture and there are a variety of suitable modules.
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The System consists of PSU, a Mainboard, a backplane and three trays.  Each of the three Trays can house two modules.  The mainboard also directly houses one module.
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* attachment:Cisco_AS5350_AS5400_Software_Configuration_Guide.pdf
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h2. Mainboard
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* 2x Gigabit Ethernet: Broadcom BCM5481
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* 1x coaxial BITS (timing): Dallas DS2
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* 1x Marvell GT-96124-B-2 F55551.0
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* Altera Cyclone EP1C4F400C8
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* Xilinx Spartan XC2S300E
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* PI7C8150 PCI bridge (module to backplane)
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* PI7C8150 PCI bridge (CPU to backplane)
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* PI7C8150 PCI bridge (unused PCI slot)
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* 1x unknown under natural color heatsink
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* 1x unknown under black anodized heatsink (700-09863-01 REV A0 / VETTE 0824)
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* CompactFlash slot with 128MB CF card
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* Memory slot holding STEC STM122116RT 512MB 2R8 PC2700E CL2.5-3-3 RAM
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h2. Trays
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The tray has one connection to the backplane, and two proprietary high-density connectors for the two modules.
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The central TDM component on the Tray is the Zarlink *MT90866* _2432x2432 non-blocking digital switch with H.110 interface_ (data sheet see attachment:MT90866.pdf.
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Each module's PCI bus is bridged to the backplane PCI using a Pericum *PI7C8150* _2-port PCI-to-PCI Bridge_ (data sheet see attachment:PI7C8150.pdf)
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h2. Modem modules
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h3. NP108 module
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This module is built around 18x Conexant/Mindspeed *RL56CSMV/6* chips (data sheet see attachment:RL56CSMV_6.pdf).  Each of the chips features its own *MT48LC4M16A2* RAM chip.  Internally, each of those chips contains an _ARM core_ for management, and six _Digital Data Pump_ dies.
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Interfacing with the backplane is done via 3x Intel i960.
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h3. NP60 module
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This module is the little brother of the NP108. It is built around 10x Conexant/Mindspeed *RL56CSMV/6* chips (data sheet see attachment:RL56CSMV_6.pdf).  Each of the chips features its own *MT48LC4M16A2* RAM chip.  Internally, each of those chips contains an _ARM core_ for management, and six _Digital Data Pump_ dies.
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Interfacing with the backplane is done via 2x Intel i960.
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h3. Power Supply
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h2. Trunk interface modules
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h3. 8PRI
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This is an 8x PRI (E1/T1) interface.
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Each PRI interface has its own EMI / overvoltage / transforer section, followed by a Mindspeed *Bt8370KPF* E1/Ta transceiver (datasheet see attachment:Bt8370KPF.pdf).  The main CPU is an MPC860 PowerPC, interfaced via a PLX *PCI9054* PCI bridge (datasheet see attachment:PCI9054.pdf).
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There are also two PMC FREEDM8 *PM7366* _Eight Channel Frame Engine and Datalink Manager_ (datasheet see attachment:PM7366.pdf).
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