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C H A P T E R

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Cisco AS5850 Universal Gateway Hardware Installation Guide

78-10573-06 0A

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Cisco AS5850 Product Overview

The Cisco AS5850 is a high-density, ISDN and modem WAN aggregation system that provides both
digital and analog call termination. It is intended to be used in service provider dial point-of-presence
(POP) or centralized enterprise dial environments.

The gateway components include hybrid trunk and port-handling cards (both functions are handled by
different components in the same slot), dedicated port-handling cards, dedicated trunk cards, route
switch controllers, power entry modules, and a blower unit to cool the chassis. An optional 2400W AC
power shelf is also available. The gateway is designed with environmental monitoring and reporting
functions to help maintain normal system operation and resolve adverse environmental conditions prior
to loss of operation. If conditions reach critical thresholds, the system shuts down to avoid equipment
damage from excessive heat or electrical current.

Downloadable software and microcode allow you to load new software images into Flash memory
remotely, without having to physically access the universal gateway, for fast and reliable upgrades.

This chapter provides physical and functional overviews to familiarize you with your new
Cisco AS5850. The chapter also contains physical descriptions of system hardware and major
components and functional descriptions of component features.

Note

Descriptions and examples of software commands appear in this document only when they are
necessary for installing the system hardware. For software configuration information, refer to the

Cisco AS5850 Universal Gateway Commissioning Guidelines

that shipped with your system, or the

Cisco AS5850 Universal Gateway Operation, Administration, Maintenance, and Provisioning
Guide.

These documents are available on Cisco.com (http://www.cisco.com), by selecting:

Products and Services

>

Universal Gateways

>

Cisco AS5800 Universal Gateways

This chapter contains the following sections:

•

If You Already Have a Cisco AS5800, page 1-2

•

System Components, page 1-2

•

Functional Overview, page 1-4

•

Cisco AS5850 Chassis, page 1-9

•

Field-Replaceable Units, page 1-13

•

Split Backplane, page 1-11

•

Power Requirements, page 1-28

•

Online Insertion and Removal, page 1-29

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Содержание AS5850

Страница 1: ... and microcode allow you to load new software images into Flash memory remotely without having to physically access the universal gateway for fast and reliable upgrades This chapter provides physical and functional overviews to familiarize you with your new Cisco AS5850 The chapter also contains physical descriptions of system hardware and major components and functional descriptions of component ...

Страница 2: ...roduct access acs_serv as5850 sw_conf 5850oamp index htm Command syntax has shifted slightly Because you no longer need to distinguish the Cisco 5814 dial shelf from the Cisco 7206 router shelf commands using the shelf slot port syntax are shortened to slot port The shelf abstraction is no longer needed System Components The following sections in this chapter describe the core system components Ci...

Страница 3: ...ERSAL PORTS PORT STATUS CALLS MAINT CPU POWER 324 UNIVERSAL PORTS PORT STATUS CALLS MAINT MIN HIS T PW R MIN MB US HIS T PW R MB US MIN HIS T PW R MIN MB US HIS T PW R MB US Power 56025 Cooling module Power LED Fault LEDs Captive screws Cool air intake Chassis installation support bracket 14 slot card cage Line port and RSC cards installed Route switch controller RSC cards 2400W AC input power she...

Страница 4: ...IR which allows components to be removed or replaced while the system is powered on Feature cards can be busied out through the software to avoid loss of calls The Cisco AS5850 is compatible with the Cisco Universal Gateway Manager UGM network management software For more on Cisco UGM see the Network Management section on page 1 8 The Cisco AS5850 supports Channelized T1 E1 T3 PRI and STM1 ingress...

Страница 5: ...from the network ingress interfaces On the RSC card only one common logic is active at any one time which is identified by the CLK clock LED on the RSC card front panel The active common logic is user selectable and is independent from each RSC This assures that if an RSC card needs replacing or if the slave RSC card becomes the master clocking remains stable The selected common logic should not b...

Страница 6: ...connects to a central office circuit switched and is multiplexed into a T1 E1 T3 or STM1 trunk 3 The T1 E1 T3 or STM1 interface is terminated and individual serial DS0s are sent to port handling hardware and software Universal ports may be located in the same physical slot as part of a hybrid trunk card or in a universal port card UPC See Figure 1 3 4 Universal ports interface with modem protocols...

Страница 7: ...al gateway field replaceable units Figure 1 4 Power Distribution Note VDC output of the 2400 W AC power shelf is set at 51 volts DC 48 VDC 50A 48 VDC 48 VDC 50A 48 VDC 50A Backplane Cooling module GigE egress RSC PEMF 1 PS 1 120 240 VAC 15A 120 240 VAC 15A 2400W AC input power shelf optional 120 240 VAC 15A PS 2 PS 3 PEMF 2 Cisco AS5850 universal gateway 48 VDC 50A 48 VDC trunk card 72965 universa...

Страница 8: ... As objects are configured or modified the Cisco UGM database is automatically updated to reflect the current configuration of the network Performance Collects performance information from each managed device and its components This information allows you to monitor the network by viewing and graphing performance data associated with an object Security Supports role based access to its management ...

Страница 9: ...ible trunk card configurations for ERSC Table 1 1 Maximum Number of Trunk Cards for RSC Chassis Trunk Type First RSC Second RSC Total Trunk Cards Per Chassis Total 324 port UPC Total DS0s with RSC Total Ports with RSC 24T1 only 2 24T1 2 24T1 4 8 2304 2592 T3 only 2 T3 2 T3 4 6 2688 2808 24T1 T3 combination 2 24T1 2 T3 4 7 2496 2700 24T1 T3 combination 1 24T1 1 T3 1 24T1 1 T3 4 8 2496 3024 24T1 T3 ...

Страница 10: ... if an RSC needs replacing or if the slave RSC becomes the master clocking remains stable The selected common logic should not be changed during normal operation unless related hardware failure is suspected or diagnosed The configuration commands for the master clock specify the various clock sources and a priority for each source Together these commands define a list ordered by priority of the cl...

Страница 11: ...izes system throughput by splitting slots between two RSCs Each RSC controls a certain set of slots slots 0 5 are owned by the RSC in slot 6 and slots 8 13 are owned by the RSC in slot 7 and operates as though slots other than those that it controls contain no cards because those cards are controlled by the other RSC Configuration on each RSC affects only the slots owned by that RSC Calls on a fai...

Страница 12: ... that all feature cards should be reloaded In split backplane mode the final feature card image is downloaded by each card from the RSC that owns it Slot Ownership Arbitration The Cisco AS5850 operates in a default split backplane mode Currently the RSC in slot 6 automatically owns all cards in slots 0 through 5 and does not receive inventory messages from cards present in slots 8 through 13 The R...

Страница 13: ...describes the Cisco AS5850 field replaceable units FRUs Table 1 3 describes available Cisco AS5850 FRUs that can be ordered as spares For information about the feature cards used in the Cisco AS5850 refer to the Cisco AS5850 Universal Gateway Card Guide that shipped with your system For information about other FRUs review the rest of this chapter or for detailed specification tables refer to Appen...

Страница 14: ...l internal power thus preventing equipment damage from excessive heat During normal operation the fans load share to provide cooling If one of the twelve fans fails a warning message displays on your console screen The controller card then increases the speed of the remaining operative fans to maintain acceptable temperature levels When all fans are operating normally fan speed is 1600 rpm As ambi...

Страница 15: ...ard consists of the following components CPU RSC QED RM7000 250MHz ERSC Broadcom BCM1250 650MHZ 1Gigabyte of DDR memory on ERSC I O controller Compact Flash memory card Boot Flash memory EEPROM NVRAM Packet switch ASICs Fast Ethernet console auxiliary and two Gigabit Ethernet interfaces For detailed specification tables refer to Appendix A Cisco AS5850 Specifications Figure 1 6 shows the RSC compo...

Страница 16: ...ains several LEDs push buttons LCDs and connectors Figure 1 7 and Figure 1 8 show the RSC front panel LEDs Figure 1 7 RSC Front Panel 35587 P W R H I S T A L A R M M A I N T MODE MAST CLK FLASH COMPACT FLASH ROUTE SWITCH CONTROLLER ALARM CONSOLE AUX 10 100 BT NETWORK CLOCK LINK ACT SEL Network clock BNC connector Auxiliary port FE port Console port LCD display Push buttons Bell alarm terminal bloc...

Страница 17: ... ALARM CONSOLE 10 100 BT 10 100 BT NETWORK CLOCK LINK ACT SEL LINK ACT Network clock BNC connector FE port FE port Console port LCD display Push buttons Bell alarm terminal block Table 1 4 Route Switch Controller Card Front Panel LEDs LED Indicator Display Description Power and Warning LEDs PWR route switch controller power Green Comes on when power is on and the RSC is not in the reset state HIST...

Страница 18: ...valid Ethernet link has been estab lished ACT Green Indicates traffic activity on the Ethernet Liquid Crystal Displays LCDs upper and lower Alphanumeric 4 characters each Displays SPLT if in classic split mode and HSPL if in handover split mode 1 A major alarm condition includes RSC failure backplane failure fan failure power module failure feature card failure or conditional environmental thresho...

Страница 19: ...ck of logic referred to as the common logic and system clocks This block generates the backplane Stratum compliant 4 MHz and 8 kHz clocks used for interface timing and for the TDM bus data movement The common logic can use a variety of sources to generate this system timing including a T1 or E1 signal input from the BNC connector on the RSC front panel Table 1 6 RSC Push Button Options Function De...

Страница 20: ...nput output devices that plug into a Gigabit EtherChannel module linking the module with the fiber optic network See Figure 1 10 The GBICs fit through cutouts in the front of the module and plug into connectors on the module You can install any combination of supported GBICs Supported GBICs are listed in Table 1 10 on page 1 23 Note When using LX LH GBICs with a 62 5 micron diameter MMF you must i...

Страница 21: ... 10573 06 0A Chapter 1 Cisco AS5850 Product Overview Field Replaceable Units Figure 1 9 RSC Gigabit Ethernet Egress Interfaces 35588 R X S Y N C O P T D E T T X R X S Y N C O P T D E T T X L I N K R X F U L L R X L I N K R X F U L L R X PORT 0 PORT 1 GIGABIT ETHERNET ...

Страница 22: ... TX Green At full rates comes on to indicate outgoing traffic on the link This LED can appear to flicker at low traffic levels LINK Green RX FULL Green RX Green At full rates comes on to indicate incoming traffic on the link This LED can appear to flicker at low traffic levels Table 1 9 GBIC to Host Connector Pin Assignment Pin Signal Pin RX_LOS 1 RGND 2 RGND 3 MOD_DEF 0 4 MOD_DEF 1 5 MOD_DEF 2 6 ...

Страница 23: ...henever possible you should connect each PEMF to a separate DC power source The PEMFs are cooled by system airflow which flows from the top to the back of the chassis The front and sides of the PEMFs are perforated for minimum airflow restriction The PEMFs support the following functions Power redundancy and load sharing The DC input power supply provides redundant power by design During normal op...

Страница 24: ... AS5850 backplane an electronic circuit or interlock trips a breaker in the PEMF and terminates power to the output connectors This same interlock provides reverse polarity protection when the system is powered off Table 1 11 PEMF MBUS Connector Pin Definitions Pin Description 1 Breaker enable 2 5 15 voltage sense to backplane 3 5 15 current sense between PEMFs 4 5 15 voltage sense return to backp...

Страница 25: ...Maintenance monitoring The PEMF contains the environmental maintenance bus Mbus module with a logic card which carries monitor signals throughout the chassis by way of two 10 pin molex MiniFit connectors There are no connectors accessible from the front of the PEMF however a DB 9 connector at the base of the PEMF visible only from below the chassis connects a monitor cable to an optional AC input ...

Страница 26: ...ules immediately ramp up to full power and maintain uninterrupted system power Note The AC input power modules in the 2400W AC input power shelf are hot swappable allowing you to remove or replace a power module while the system is operating system operation will not be affected Whenever possible Cisco recommends that you connect each AC input power module to a separate AC power source Each AC inp...

Страница 27: ...vents the power module from vibrating or sliding out of the power bay and dislodging from the power backplane A small flat blade screwdriver is needed to delatch the AC modules Pulling on the handles without properly releasing the latches can damage the modules Double grounding lugs as per NEBS requirements on both the enhanced AC input power shelf and the chassis provide electrical grounding The ...

Страница 28: ...e self contained AC input power shelf which converts AC input power into DC output for use by the universal gateway The AC input power shelf is rack mounted and has a safety cover that shields the electrical connections in the power shelf rear The AC input to DC output connection supplies 48 VDC output power to the PEMFs Power flows through the filter module to the backplane where it is distribute...

Страница 29: ...RU contains female connectors that connect to the system backplane Each male backplane connector comprises a set of tiered pins in three lengths The backplane pins send specific signals to the system as they make contact with the card connectors The system assesses the signals it receives and the order in which it receives them to determine whether to initialize a startup or shutdown procedure Eac...

Страница 30: ...1 30 Cisco AS5850 Universal Gateway Hardware Installation Guide 78 10573 06 0A Chapter 1 Cisco AS5850 Product Overview Online Insertion and Removal ...

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