Product Overview

The Cisco ONS 15530 is a highly modular and scalable optical switching and aggregation platform. With the Cisco ONS 15530, users can take advantage of the availability of dark fiber to build a common infrastructure that supports data, SAN (storage area network), and TDM (time-division multiplexing) traffic. For more information about DWDM technology and applications, refer to the Introduction to DWDM Technology publication and the Cisco ONS 15530 Planning Guide.

The Cisco ONS 15530 is designed to meet and exceed the most stringent ISP (Internet service provider) requirements for product availability and reliability. Its features include:

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Interfaces that can be configured for redundancy using SONET 1+1 APS (Automatic Protection Switching)

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Line cards, power supplies, and fan assemblies that are hot-swappable without powering down the shelf

Cisco ONS 15530 Hardware Features

This section describes the hardware features and components of the Cisco ONS 15530. See Figure 1-1.

Chassis Overview

The Cisco ONS 15530 is available in two configurations, NEBS and ETSI. Both have two vertically stacked half-height slots specifically for the OADM (optical add/drop multiplexers) modules, and 10 vertically oriented slots that hold the CPU switch modules, line cards, and transponder line cards. As you face the chassis, the leftmost slot (slot 0) holds two half height OADM modules. Slots 1 through 4 and slots 7 through 10 hold the line cards and transponder line cards. Slots 5 and 6 hold the CPU switch modules (see Figure 1-2). Power supplies are located on the right side of the chassis next to slot 10. Air inlet and fan tray are located beneath the slots. Cable management is located above and beneath the slots. The system has an electrical backplane for system control. All optical connections are located on the front of the shelf.

The Cisco ONS 15530 supports up to 60 ESCON (Enterprise Systems Connectivity) ports on a single shelf and up to 160 ESCON ports in a stacked shelf solution.

Component Summary

The Cisco ONS 15530 supports the following hot-swappable modular hardware components:

CPU Switch Modules

The Cisco ONS 15530 includes one CPU switch module with a switch fabric. There may be two CPU switch modules in a Cisco ONS 15530 shelf to provide a higher level of system availability. One of the CPU switch modules is the active one (sometimes called primary or master) and the other is the standby (sometimes called secondary, backup, or slave). The standby CPU switch module is present for increased reliability so that it can take over in case the active CPU switch module fails.

Each CPU switch module has a number of subsystems, including a processor, a switch fabric, a clock subsystem, an Ethernet switch for communication between processors and with the LRC (line card redundancy controller) on the OADM modules and line cards, and an SRC (switchcard redundancy controller). The active processor controls the system. All LRCs in the system use the system clock and synchronization signals from the active CPU switch module. Interfaces on the CPU switch modules permit access by 10/100 Ethernet, console terminal, or modem connections.

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32 by 32 port non-blocking crosspoint switch fabric with up to 3.125 Gbps per port

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Operates from 12 VDC from the backplane with on-card generation of 5, 3.3, 2.5 and 1.8 VDC

Switch Fabric

The switch fabric, which is integrated onto the CPU switch module, is a 36 by 37 crosspoint, nonblocking switch with only 32 by 32 ports used. Each port carries 3.125 Gbps.

The switch fabric has a built-in protection switch that offers less than 10 ms switching time as a standard feature. This allows uniform performance over a wide wavelength range. The built-in optical power output measurement system has a wide dynamic range of -20 dBm to 20 dBm. In addition it offers fast connection setups coupled with lower level adjustment to enable fast network configuration changes.

ESCON Aggregation Cards

The ESCON aggregation card aggregates up to 10 client data streams into a single 2.5-Gbps signal. The card sends a signal through the switch fabric to a 2.5-Gbps ITU trunk card, 10-Gbps ITU trunk card, 10-Gbps ITU tunable trunk card, or a 10-Gbps uplink card.

Table 1-1 lists features for the SFP optics supported by the ESCON aggregation cards.

Table 1-1 ESCON Aggregation Card SFP Optics Features
Part Number	Description	Fiber Type	Wavelength	Connector Type
15500-XVRA-01A2	Fixed rate	MM 50/125 �m MM 62.5/125 �m	1310 nm	MT-RJ
15500-XVRA-10A1	Low-band variable rate 16 Mbps to 200 Mbps	MM 50/125 �m MM 62.5/125 �m	1310 nm	LC
15500-XVRA-10B1	Low-band variable rate 16 Mbps to 200 Mbps	SM 9/125 �m	1310 nm	LC

Note The Cisco IOS software only supports Cisco-certified SFP optics on the ESCON aggregation card.

For more information on power budget planning, refer to the Cisco ONS 15530 Planning Guide. For power budget specifications for individual components, refer to the Cisco ONS 15530 Hardware Installation Guide.

4-Port 1-Gbps/2-Gbps FC Aggregation Cards

The 4-port 1-Gbps/2-Gbps FC aggregation card aggregates up to four FC, FICON, or ISC-3 (InterSystem Channel) links compatibility mode data streams into up to four 2.5-Gbps signals. The cards send a signal through the switch fabric to a 2.5-Gbps ITU trunk card, a 10-Gbps ITU trunk card, 10-Gbps ITU tunable trunk or a 10-Gbps uplink card.

Table 1-2 lists features for the SFP optics supported by the 4-port 1-Gbps/2-Gbps FC aggregation cards.

Table 1-2 4-Port 1-Gbps/2-Gbps FC Aggregation Card SFP Optics Features
Part Number	Protocols or Clock Rate Range Supported	Fiber Type	Wavelength	Connector Type
15500-XVRA-02C1	Gigabit Ethernet¹, Fibre Channel (1 Gbps)², FICON (1 Gbps), ISC-1 (1-Gbps)	MM 50/125 �m MM 62.5/125 �m	850 nm	LC
15500-XVRA-03B1	Gigabit Ethernet³, Fibre Channel (1 Gbps)⁴, FICON (1 Gbps), ISC-3 (2-Gbps)	SM 9/125 �m	1310 nm	LC
15500-XVRA-03B2	Fibre Channel (2 Gbps), FICON	SM 9/125 �m	1310 nm	LC
15500-XVRA-11B1	Mid-band variable rate 200 Mbps to 1.25 Gbps, ISC-1	SM 9/125 �m	1310 nm	LC
15500-XVRA-12B1	High-band variable rate 1.062 Gbps to 2.488 Gbps, ISC-1, ISC-3	SM 9/125 �m	1310 nm	LC
15454E-SFP-GEFC-S	Fibre Channel (2.125 Gbps), Fibre Channel (1 Gbps), FICON, Gigabit Ethernet	MM 50/125 �m MM 62.5/125 �m	850 nm	LC
15454-SFP-GEFC-SX	Fibre Channel (2.125 Gbps), Fibre Channel (1 Gbps), FICON, Gigabit Ethernet	MM 50/125 �m MM 62.5/125 �m	850 nm	LC

¹1000BASE-SX

²FC-0-100-M5-SN-S and FC-0-100-M6-SN-S standards

³1000BASE-LX

⁴FC-0-100-SM-LC-S standard

8-Port FC/GE Aggregation Cards

The 8-port FC/GE aggregation card aggregates up to eight FC, FICON, GE, 1-Gbps ISC-3 (InterSystem Channel) links peer mode or ISC-1 compatibility mode data streams into up to four 2.5-Gbps signals. The cards send a signal through the switch fabric to a 2.5-Gbps ITU trunk card, a 10-Gbps ITU trunk card, 10-Gbps ITU tunable trunk card, or a 10-Gbps uplink card.

Note The 8-port FC/GE aggregation supports end-to-end pass-through of the autonegotiation parameters

Table 1-3 lists features for the SFP optics supported by the 8-port FC/GE aggregation cards.

Table 1-3 8-Port FC/GE Aggregation Card SFP Optics Features
Part Number	Protocols or Clock Rate Range Supported	Fiber Type	Wavelength	Connector Type
15500-XVRA-02C1	Gigabit Ethernet¹, Fibre Channel (1 Gbps)², FICON (1 Gbps), ISC-3 links compatibility mode (1 Gbps)	MM 50/125 �m MM 62.5/125 �m	850 nm	LC
15500-XVRA-03B1	Gigabit Ethernet³, Fibre Channel (1 Gbps)⁴, FICON (1 Gbps), ISC-3 links compatibility mode (1 Gbps)	SM 9/125 �m	1310 nm	LC
15500-XVRA-11B1	Mid-band variable rate 200 Mbps to 1.25 Gbps	SM	1310 nm	LC
15500-XVRA-12B1	High-band variable rate 1.062 Gbps to 2.488 Gbps	SM	1310 nm	LC

¹1000BASE-SX

²FC-0-100-M5-SN-S and FC-0-100-M6-SN-S standards

³1000BASE-LX

⁴FC-0-100-SM-LC-S standard

Note The Cisco IOS software only supports Cisco-certified SFP optics on the 8-port FC/GE aggregation card.

8-Port Multi-Service Muxponders

The 8-port multi-service muxponder aggregates up to eight ports of client traffic into a 2.5-Gbps DWDM trunk circuit. The muxponder provides a way to transport a mix of protocols between sites in a metropolitan DWDM network. The protocols that can be aggregated and transported range from high-speed services such as Fibre Channel and Gigabit Ethernet to low-speed services such as OC-3, Fast Ethernet, or even T1 or E1.

The 8-port multi-service muxponder uses SFPs for the client signals. There are no restrictions on populating the line card with SFPs. For example, you can mix a single-mode SFP with a multimode SFP on the same muxponder.

Table 1-4 lists the characteristics for the SFPs supported by the 8-port multi-service muxponder.

Table 1-4 8-Port Multi-Service Muxponder SFP Optics Characteristics
Part Number	Protocols or Clock Rate Range Supported	Fiber Type	Wavelength	Connector Type
15500-XVRA-10A2	Low band 8 Mbps to 200 Mbps	MM 50/125 �m MM 62.5/125 �m	1310 nm	LC
15500-XVRA-10B2	Low band 8 Mbps to 200 Mbps	SM 9/125 �m	1310 nm	LC
15500-XVRA-11A2	Mid-band 200 Mbps to 622 Mbps	MM 62.5/125 �m	1310 nm	LC
15500-XVRA-11B2	Mid-band 200 Mbps to 1.25 Gbps	SM 9/125 �m	1310 nm	LC
15500-XVRA-12B1	High-band 1.062 Gbps to 2.488 Gbps	SM 9/125 �m	1310 nm	LC
15500-XVRA-08D1	T1 1.544 Mbps	Copper T1	-	RJ-45
15500-XVRA-09D1	E1 2.044 Mbps	Copper E1	-	RJ-45
15500-XVRA-10E1¹	SDI and DVB-ASI² video	Copper Digital Video	-	Mini SMB Coax
GLC-T³	GE 1.25 Gbps, FE 1.25 Mbps	Copper GE/FE	-	RJ-45

¹In a normal operating environment, the maximum digital video application connection length using a Belden 1694A cable is 200 m (218 yd). If the chassis ambient operating temperature is above 45�C (113� F) and ports 0 and 1 are used for video applications with this SFP, the maximum cable connection length supported may be less than the specified 200 m (218 yd), depending on the operating environment.

²DVB-ASI = Digital Video Broadcast Asynchronous Serial Interface.

³To ensure proper operation of the GLC-T SFP, the ambient operating temperature should not exceed 45�C (113�F).

2.5-Gbps ITU Trunk Cards

The 2.5-Gbps ITU trunk card converts an aggregated 2.5-Gbps signal to an ITU-compliant wavelength, or channel. The Cisco ONS 15530 supports two types of 2.5-Gbps ITU trunk cards:

The 2.5-Gbps ITU trunk card has a transmit (laser) power in the range of 5 to 10 dBm and a receive detector sensitivity range of -8 to -28 dBm.

10-Gbps ITU Tunable and Non tunable Trunk Cards

The 10-Gbps ITU tunable and non tunable trunk card converts up to four aggregated signals to an ITU-compliant wavelength or channel. The 10-Gbps ITU tunable card can be tuned to any of the four different frequencies belonging to one of the bands. The Cisco ONS 15530 supports two types of 10-Gbps ITU trunk cards:

The 10-Gbps ITU trunk card has a transmit (laser) power in the range of 1 to 5 dBm and a receive detector sensitivity range of -22 to -6 dBm.

10-Gbps Uplink Cards

The 10-Gbps uplink card converts up to four aggregated signals to a 10 Gbps 1310-nm signal that can be transmitted to another shelf, such as the Cisco ONS 15540 ESPx and the Cisco ONS 15540 ESP. The transmit power for the 10-Gbps uplink card is -8.2 to 0.5 dBm and the receive detector range is -14.4 to 0.5 dBm.

Transponder Line Cards

The protocol-transparent and bit-rate transparent transponder line card converts a single client signal into an ITU wavelength or channel.The Cisco ONS 15530 shelf holds up to four transponder line cards, one for each wavelength supported by the OADM modules.

The Cisco ONS 15530 supports four types of single client interface transponder line cards:

Both types of SM transponder line cards accept SM client signals on the 1310-nm wavelength through an SC connector and support client signal clock rates ranging from 16 Mbps to 2.5 Gbps. Both types of MM transponder line cards accept SM and MM client signals on the 1310-nm wavelength through an SC connector and support client signal clock rates ranging from 16 Mbps to 622 Mbps.

The transponder line cards are hot pluggable, permitting in-service upgrades and replacement.

All client signals on the transponders are supported in 3R (reshape, retime, retransmit) mode, regardless of protocol encapsulation type. The following protocol encapsulation types are supported in 3R mode plus protocol monitoring:

The following protocol encapsulation types are supported in 3R mode without protocol monitoring:

The client interfaces also support the OFC (open fiber control) safety protocol for Fibre Channel, ISC compatibility mode, and FICON. Client-side interfaces are protocol transparent and can accept signals at specific rates between 16 Mbps and 2.5 Gbps.

On the trunk side, the transponder line card has an output (laser) power in the range of 5 to 10 dBm and a receive detector sensitivity range of -22 to -8 dBm. For more information on power budget planning, refer to the Cisco ONS 15530 Planning Guide. For power budget specifications for individual components, refer to the Cisco ONS 15530 Hardware Installation Guide.

OADM Modules

The Cisco ONS 15530 supports one OADM module in an unprotected configuration or two OADM modules for a protected configuration. Each OADM module can multiplex and demultiplex a band of four channels. Channels not filtered by the OADM module are passed on to the next OADM module. In a protected configuration, both OADM modules support the same band of channels to provide fault tolerance.

PSMs

The PSM (protection switch module) provides trunk fiber protection for Cisco ONS 15530 systems configured in point-to-point topologies. The PSM sends the signal from an OADM module, ITU trunk card, or transponder line card to both the west and east directions. It receives both the west and east signals and selects one to send to the OADM module, ITU trunk card, or transponder line card. If a trunk fiber cut occurs on the active path, the PSM switches the received signal to the standby path. Because the PSM occupies one of the OADM subslots in the shelf, it protects a maximum of four channels.

The PSM also has an optical monitor port for testing the west and east receive signals. This port samples one percent of these signals, which can be monitored with an optical power meter.

Carrier Motherboards

The carrier motherboard installs into a single shelf slot and accepts two half-size modules. The carrier motherboard supports the OSC modules and the VOA modules.

OSC Modules

The OSC cards support an optional out-of-band management channel for communicating between systems on the network. Using a 33rd wavelength (channel 0), the OSC allows control and management traffic to be carried without requiring a separate Ethernet connection to each node in the network. Up to two OSC modules can be installed in the carrier motherboard, one card for the west direction and one for the east direction.

The OSC always terminates on a neighboring node. By contrast, data channels may or may not be terminated on a given node, depending on whether the channels on the OADM modules are treated as either express (pass-through) or add/drop channels.

VOA Modules

The Cisco ONS 15530 supports VOA (variable optical attenuator) modules that work with EDFAs (erbium-doped fibre attenuators) to expand DWDM optical networks over greater distances. The VOA modules include PB-OE (per-band optical equalizer) modules and WB-VOA (wide-band variable optical attenuator) modules. These modules are installed in the carrier motherboard.

PB-OE Modules

The PB-OE modules select and attenuate one or two specific 4-channel bands. The Cisco ONS 15530 supports eight single band PBOE modules for bands A through H and four dual band PB-OE modules for bands AB, CD, EF, and GH.

WB-VOA Modules

The WB-VOA modules accept and attenuate an ITU signal regardless of the channels in the signal. This includes signals with a single channel, a band of channels, or multiple bands of channels. There are two types of WB-VOA modules: single and dual. The single WB-VOA module attenuates only one signal and the dual WB-VOA module attenuates up to two signals.

Cisco ONS 15530 Software Features

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CPU switch module redundancy provided by arbitration of processor status and switchover in case of failure without loss of connections.

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Autosynchronization of startup and running configurations between redundant CPU switch modules.

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Autosynchronization of traffic statistics and performance monitoring counters.

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Support for per-channel APS (Automatic Protection Switching) in point-to-point, ring, and mesh topologies using redundant subsystems that monitor link integrity and signal quality.

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Trunk fiber based DWDM signal protection using APS in point-to-point topologies.

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System configuration and management through the CLI (command-line interface), accessible through an Ethernet connection or the console terminal.

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Optical power monitoring on the signal from the trunk, digital monitoring on both client and trunk interfaces, and per-channel in-service and out-of-service loopback (client and trunk sides).

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Optional out-of-band management of other Cisco ONS 15530 systems on the network through the OSC (optical supervisory channel).

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In-band management of other Cisco ONS 15530 systems using the in-band message channel.

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Support for network management systems that use SNMP. Its capabilities include configuration management, fault isolation, topology discovery, and path trace.

Network Management Systems

For more information on the network management systems that support the Cisco ONS 15530, refer to the Network Management for the Cisco ONS 15530 publication.

Optical Supervisory Channel

The Cisco ONS 15530 supports an optional out-of-band management channel for communicating between systems on the network. Using a 33rd wavelength (channel 0), the OSC allows control and management traffic to be carried without a separate Ethernet connection to each Cisco ONS 15530 in the network. The OSC always terminates on a neighboring node. By contrast, data channels may or may not be terminated on a given node, depending on whether the channels on the OADM modules are treated as either express (pass-through) or add/drop channels.

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CDP (Cisco Discovery Protocol) packets—Used to discover neighboring devices

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OSCP (OSC Protocol) packets—Used to determine whether the OSC link is up using a Hello protocol

Note When the OSC is not present, Cisco ONS 15530 systems can be managed individually by separate Ethernet connections.

Separate modules and motherboards support the OSC. The OSC is a full duplex channel that can use a single ring for transmit and receive.

In-Band Message Channel

The in-band message channel establishes a method for providing OAM&P (operations, administration, management, and provisioning) functions in Ethernet packet-based optical networks without a SONET layer or SDH layer. In addition, the in-band message channel enables statistical multiplexing of multiple logical lower-speed signals, such as ESCON signals, within a single optical data channel. The in-band message channel terminates with the data channel, not at each node as does the OSC, thus providing management on a per wavelength basis.

SDCC In-Band Messaging

The 8-port multi-service muxponder provides OAM&P (operations, administration, management, and provisioning) functions, very much like the in-band message channel. As with the in-band message channel, statistical multiplexing of multiple logical lower-speed signals, such as ESCON signals, OSCP, APS, and other IP related traffic can be carried within a single optical data channel.

Online Diagnostics

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OIR (online insertion and removal) tests for motherboards, cards, and standby processors

Network Topologies

For more information on network topologies, refer to the Introduction to DWDM Technology publication and the Cisco ONS 15540 Planning Guide.

Standards Compliance

For information on standards compliance for the Cisco ONS 15530, refer to the Regulatory Compliance and Safety Information for the Cisco ONS 15500 Series publication.

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