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CHAPTER 1
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
swit
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Chapter 1 Cisco AS5850 Product Overview If You Already Have a Cisco AS5800 If You Already Have a Cisco AS5800 If you already have a Cisco AS5800, the Cisco AS5850 should be easy to adjust to. The following major differences should be noted: � The cooling module is 1 RU shorter. � The Dial Shelf Controller (DSC) and Cisco 7206 router shelf were replaced with a route switch controller (RSC) card, which goes in slots 6 and 7, not 12 and 13 (as with the DSC). � There is a new 2400-watt powe
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RX TX RX TX RX TX T RX X 324 UNIVERSAL PORTS 324 UNIVERSAL PORTS 324 UNIVERSAL PORTS CHANNELIZED T3 + 216 UNIVERSAL PORTS CHANNELIZED T3 + 216 UNIVERSAL PORTS 324 UNIVERSAL PORTS 324 UNIVERSAL PORTS 324 UNIVERSAL PORTS CHANNELIZED T3 + 216 UNIVERSAL PORTS CHANNELIZED T3 + 216 UNIVERSAL PORTS MBUS PWR MIN HIST MBUS MBUS PWR MIN PWR MIN HIST HIST MBUS PWR MIN HIST Power Fault Bank 1 Bank 2 Bank 3 DC K AC OK FAULT DC OK AC OK FAULT DC OK AC OK FAULT O R R RC R RC R RC R R R R R ENAB /DISABLE ENAB
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POWER POWER MISWIRE MISWIRE Chapter 1 Cisco AS5850 Product Overview Functional Overview Figure 1-2 Cisco AS5850 with AC-Input Power Shelf—Rear View Warm air exhaust PEM C O N N C M C O O N N + M C O + AC power supply monitor cables DC interconnect cables Ground cable 2400W AC-input power shelf AC connection cables Functional Overview The Cisco AS5850 supports high-density dial aggregation and integrates with the Cisco AS5350 and Cisco AS5400 universal gateways for scaling your service pr
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Chapter 1 Cisco AS5850 Product Overview Functional Overview any DS0 can be mapped to any HDLC controller or universal port. You can install multiple ingress interface cards of like types and configure the Cisco AS5850 for card or port level redundancy, depending on your needs. Trunk and port handling cards are tied together using several time-division multiplexing (TDM) buses on the backplane. Each line card is also connected, through point-to-point packet buses, to a central switch
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Chapter 1 Cisco AS5850 Product Overview Functional Overview A dial wholesale customer can connect to a Cisco AS5850, then tunnel PPP (Point-to-Point Protocol) packet information to a retail service provider using dial Virtual Private Network (dial VPN). For detailed system specification tables, refer to Appendix A, “Cisco AS5850 Specifications.” Traffic Flow Figure 1-3 shows inbound connection flow for the Cisco AS5850. Figure 1-3 Inbound DS0 Traffic Flow Backplane Cisco AS5850 universa
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Chapter 1 Cisco AS5850 Product Overview Functional Overview Power Flow Figure 1-4 shows how power is distributed to various universal gateway field-replaceable units. Figure 1-4 Power Distribution Cisco AS5850 universal gateway Backplane GigE egress RSC -48 VDC 50A -48 VDC 50A Cooling module -48 VDC -48 VDC PEMF 1 PEMF 2 -48 VDC 50A -48 VDC 50A 2400W AC-input PS 1 PS 2 PS 3 power shelf (optional) 120/240 VAC 15A 120/240 VAC 15A 120/240 VAC 15A Note VDC output of the 2400 W AC power shelf
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Chapter 1 Cisco AS5850 Product Overview Functional Overview Network Management The Cisco Universal Gateway Manager (Cisco UGM) configures and manages fault, performance, and security of the Cisco AS5850. Cisco UGM is a UNIX-based solution that can be run from a Cisco Element Management Framework (EMF) server, and also provides the following features: � Fault—Device and port-specific alarm frequency and severity information. The fault management GUI supports point-and-click alarm acknow
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Chapter 1 Cisco AS5850 Product Overview Cisco AS5850 Chassis Cisco AS5850 Chassis The Cisco AS5850 contains 14 slots (numbered 0 through 13 on the backplane) and can support trunk cards and universal port cards in slots 0 through 5 or 8 through 13. Slots 6 and 7 in the chassis are dedicated slots for the RSCs. There are two versions of the RSC, RSC and ERSC. ERSC has a faster CPU, more memory, and two Fast Ethernet ports. Metal guard pins on the backplane module prevent you from insta
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Chapter 1 Cisco AS5850 Product Overview Cisco AS5850 Chassis Table 1-2 Maximum Number of Trunk Cards For ERSC (continued) Non-Split Chassis Split Chassis Total Total Total Total Total Total Chassis Trunk Total DS0s Ports Trunk Total DS0s Ports Trunk Cards Per 324-port with with Cards Per 324-port with with Type Chassis UPC ERSC ERSC Chassis UPC ERSC ERSC 24T1/T3 3 24T1 7 3072 2700 1 1 1248 1512 combination 2 T3 24E1/STM1 1 STM1 7 3330 3240 — — — — 2 24E1 Note Mixing CT1 or CT3 and CE1
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Chapter 1 Cisco AS5850 Product Overview Cisco AS5850 Chassis condition is detected. Two clock inputs specified with identical priorities both go into the ordered list of clock sources, but the one received first by the RSC providing the active clock is assigned a higher priority. The show chassis clocks command shows all configured clock sources, even those from un-owned trunk cards. Only one RSC can provide the master clock; however, backup clock sources might need to be configured f
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Chapter 1 Cisco AS5850 Product Overview Cisco AS5850 Chassis Note If you need to OIR the RSC serving as the primary clock source with a split backplane configuration, you will need to switch the primary clock source to the other RSC as described in Chapter 4, “Maintenance” in the Cisco AS5850 Operations, Administration, Maintenance, and Provisioning Guide, available online at: http://www.cisco.com/univercd/cc/td/doc/product/access/acs_serv/as5850/sw_conf/5850oamp/ index.htm OIR Event
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Chapter 1 Cisco AS5850 Product Overview Field-Replaceable Units In systems with two RSCs, the way the RSC uses the backplane buses will depend on the mode the system is operating in. Sometimes one RSC will control all the backplane DS0s and sometimes their use will be divided between the RSCs. Environmental Monitoring Environmental monitoring for the full chassis is carried out by both RSCs. This means that warnings about overheating cards go to both RSCs, regardless of which one owns
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Chapter 1 Cisco AS5850 Product Overview Field-Replaceable Units Feature Cards 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 Appendix A, “Cisco AS5850 Specifications” Cooling Module The cooling module in the Cisco AS5850 monitors the internal operating temperatures and ma
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Chapter 1 Cisco AS5850 Product Overview Field-Replaceable Units � Boots and reloads software images � Provides source clocks used by all feature cards and power supplies � Provides a BITS input BNC connector � Connects to an external alarm source through a connector located on the front panel Install the RSC card in the Cisco AS5850 in either slot 6 or slot 7. The card plugs directly into the backplane. The RSC card consists of the following components: � CPU – RSC (QED RM7000 - 250MHz)
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LINK ACT COMPACT FLASH ALARM CONSOLE AUX 10/100 BT ROUTE SWITCH CONTROLLER NETWORK CLOCK MAINT HIST PWR ALARM Chapter 1 Cisco AS5850 Product Overview Field-Replaceable Units LED Indicators and Alarm Buttons The RSC front panel contains 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 Bell alarm terminal block LCD display MODE SEL Push buttons CLK MAST FLASH Console port Auxiliary port FE port Network clo
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LINK ACT LINK ACT COMPACT FLASH ALARM 10/100 BT CONSOLE 10/100 BT NETWORK ROUTE SWITCH CONTROLLER CLOCK MAINT HIST PWR ALARM Chapter 1 Cisco AS5850 Product Overview Field-Replaceable Units Figure 1-8 ERSC Front Panel Bell alarm terminal block LCD display MODE SEL Push buttons CLK MAST FLASH Console port FE port FE port Network clock BNC connector Table 1-4 describes the RSC front panel LEDs and LCDs. Table 1-4 Route Switch Controller Card Front Panel LEDs LED Indicator Display Descrip
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Chapter 1 Cisco AS5850 Product Overview Field-Replaceable Units Table 1-4 Route Switch Controller Card Front Panel LEDs (continued) LED Indicator Display Description MAINT Yellow Flashing indicates that diagnostics are currently running. On indicates that the RSC failed diagnostics or was shut down for removal. This LED is normally off. 1 2 ALARM Yellow Comes on to indicate a major or minor alarm condition. Clock and Status LEDs MAST (master) Green RSC is in handover-split mode. CLK
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Chapter 1 Cisco AS5850 Product Overview Field-Replaceable Units Table 1-6 RSC Push Button Options Function Definition ACO YES/NO ALARM CUTOFF—When selected (YES), software should turn off any active external alarm relay control bits. If any subsequent (new) alarm condition occurs, ACO status should revert to NO. ALARM: When selected, turns off the HIST LED (if it is on), but only if there is no HIST CLEAR current Major or Minor alarm condition. RSC STOP/START Select this before removi
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Chapter 1 Cisco AS5850 Product Overview Field-Replaceable Units Only one common logic is active at a time, identified by the CLK LED on the RSC card front panel. The active common logic is user-selectable and is independent from each RSC card. This assures that if you need to replace an RSC, or if the slave RSC becomes the master, clocking remains stable. The selected common logic should not be changed during normal operation unless a hardware failure is suspected or diagnosed in the
