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Browse CISCO products for Catalyst and Nexus switching, ISR and Catalyst routing, Secure Firewall, enterprise wireless, optics, modules and software subscriptions. Compare exact models, reference prices, availability requirements, official technical references and procurement requirements from YYST Global.

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WS-C4503-E-S2+48 is the Cisco Catalyst 4503-E data bundle with one 1000AC supply, one Supervisor II-Plus and one WS-X4148-RJ module. The E chassis suffix distinguishes it from WS-C4503-S2+48.

WS-C4503-E-S2+48V is the Cisco Catalyst 4503-E PoE bundle recorded with one 1300AC supply, one Supervisor II-Plus and one WS-X4248-RJ45V module. It is not the S2+48 data bundle.

WS-C4503E-S6L-1300 is a Cisco Catalyst 4503-E bundle with a Supervisor 6L-E, one WS-X4648-RJ45V+E line card and a 1300W power supply. Confirm the fitted parts against the quotation.

WS-C4507R-E is a seven-slot Cisco Catalyst E-Series chassis with supervisor positions 3 and 4 and five switching-module positions. Supervisor 8-E/8L-E requires chassis hardware revision 2.0 or higher.

WS-C4503-E is a Cisco Catalyst 4500 E-Series three-slot chassis. Slot 1 is for one supervisor; slots 2 and 3 accept switching modules. It does not support a redundant supervisor pair.

WS-C4503-S2+48 is a legacy Cisco Catalyst 4503 bundle: one 1000AC supply, one Supervisor II-Plus and one WS-X4148-RJ 48-port 10/100 module. The access module is not a 48-port Gigabit card.

C9400-S-BLANK= is Cisco’s slot blank cover for the Catalyst 9400 Series. Cisco lists C9400-PWR-BLANK= separately as the power-supply blank cover, so the two blanking components are not interchangeable order identities.

Cisco IE-4000-8T4G-E is an industrial Ethernet switch with eight Fast Ethernet copper downlinks and four Gigabit combo uplinks. It is not the 8GT Gigabit-downlink variant.
CISCO buyers should validate software and license tier, PoE budget and uplink module, airflow, power supply and stacking compatibility. Use the active catalog below to compare exact part numbers and open each product page for specification, condition, price and official-source details.
Start with the exact manufacturer part number rather than the marketing family name. Then compare the technical configuration, included licenses and accessories, product condition, warranty responsibility, lead time and destination-specific requirements. For replacements, validate interoperability with the installed software, optics, power and management platform.
YYST Global product pages provide model-level specifications and official manufacturer references where available. Procurement teams can use these pages to prepare a bill of materials and then request confirmation of quantity, serial-number availability, shipping and acceptance terms.
Condition: End-of-support software option; deployment-specific eligibility required
ASR5K-00-IS10PXY is the 10K-session SCM recovery license for CSCF or IETF proxy service. Its official description concerns session recovery, not switching hardware and not the separate base proxy-service license.US$ 810.00
Condition: Legacy software license; suitability and entitlement require assessment
ASR5K-00-IP10PXY licenses the SCM Proxy P-CSCF service for 10K sessions. Cisco lists it separately from the IS10PXY session-recovery option. This software ordering line does not supply a network switch.US$ 810.00
Condition: Software entitlement; compatibility and fulfillment require confirmation
ASR5K-00-CS01CHGX is the Cisco Charging Over Gx software license for 1K sessions. The Home Agent administration guide lists this exact code under Volume Reporting over Gx. It is not a Charging Gateway Function appliance or a switch.US$ 4,423.00
Condition: End-of-support software entitlement; legacy suitability must be checked
ASR5K-00-IP01PXY is the Cisco Session Control Manager Proxy P-CSCF software license for 1K sessions. It is not an IPsec accelerator card, and this article carries no hardware throughput or physical interface specification.US$ 800.00
Condition: Legacy PDSN software entitlement; no current support promise
ASR5K-00-PN01REC identifies Cisco PDSN Session Recovery software for 1K sessions. REC denotes the published recovery feature, not an invented Redundancy Expansion Capability product. No switch or redundant hardware is included.US$ 630.00
Condition: End-of-support software article; legacy entitlement review required
ASR5K-00-PN01E0AU is the Cisco PDSN EV-DO Rev 0 to Rev A software upgrade article for 1K sessions. It is not a network switch. The applicable 3G CDMA software support endpoint was September 30, 2021.US$ 330.00
Condition: Software license; installed-platform eligibility and sourcing require confirmation
Cisco identifies ASR5K-00-CS01ICAP as a Content Filtering ICAP Interface license for 1K sessions. ICAP means Internet Content Adaptation Protocol, not Intelligent Charging and Advanced Policy. The article is software, not a network switch.US$ 4,423.00
Condition: Legacy software entitlement; license eligibility confirmed before quotation
ASR5K-00-CSXXDYNR is a Cisco software license for Dynamic RADIUS Extensions, including CoA and PoD. It is not a campus switch or a hardware module; the exact article appears in Cisco ASR5K software lifecycle notice EOL15581.US$ 423.00
Condition: Legacy paper entitlement; sourcing and activation eligibility require verification
SLASR903-M-I= identifies the paper PAK upgrade from Metro Services to Metro IP Services for Cisco ASR 903. It is a software entitlement, not an enterprise switch. Cisco lists L-SLASR903-M-I= as its electronic replacement.US$ 900.00
Condition: Legacy paper-license entitlement and usability verified before purchase
FLS-A901-4T= is the paper-license article for a four-port copper Gigabit Ethernet upgrade on supported Cisco ASR 901 routers. It corresponds to Gige4CuUpgrade, not an Ethernet switch or a hardware interface module.US$ 600.00
Condition: Legacy electronic license eligibility and fulfillment subject to confirmation
L-FLS-A901-4S= is the electronic-delivery ASR 901 four-port SFP Gigabit Ethernet upgrade license. Cisco maps Gige4SfpUpgrade to A901-4C-F-D and A901-4C-FT-D, rather than the ASR 9000 family.US$ 110.00
Condition: Legacy electronic entitlement; eligibility and fulfillment verified before order
L-FLS-A901-2Z= is the electronic fulfillment article for the Cisco ASR 901 two-port 10GE upgrade. Cisco lists it with the 10gigUpgrade feature for applicable A901-6CZ chassis, separately from the physical FLS-A901-2Z article.US$ 800.00
Condition: Legacy feature-license fulfillment and entitlement eligibility require confirmation
FLS-A901-2Z is the Cisco ASR 901 two-port 10GE upgrade feature license, identified as physical fulfillment in Cisco EOL13051. It is not a four-year DNA Premier subscription or a switch chassis.US$ 300.00
Condition: License entitlement and fulfillment eligibility confirmed by quotation
A9K-9001-OPT-LIC= is the Cisco ASR 9001 Advanced Optical License. It is a software-license order, not an Ethernet switch, router chassis or optical transceiver.US$ 1,430.00
Condition: Cable condition and supplied assembly confirmed by quotation
CABLE-16T1E1 is the 12-foot cable for a 16-port T1/E1 interface module, listed in Cisco ASR 900-series documentation. It is not a network switch.US$ 160.00
Condition: Exact antenna, condition and mounting contents confirmed by quotation
AIR-ANT2566P4W-RS is a self-identifying four-element patch antenna with 6 dBi gain in both 2.4 and 5 GHz bands. It is not a WLAN controller.US$ 45.00
Condition: Accessory condition and commercial terms confirmed by quotation
AIR-ANT2524DW-R is the white, non-self-identifying dual-band dipole antenna. Cisco lists 2 dBi gain at 2.4 GHz and 4 dBi at 5 GHz.US$ 45.00
Condition: Discontinued accessory; condition and availability require verification
AIR-ANT24120 is a 12 dBi omnidirectional mast-mount antenna for compatible 2.4 GHz Aironet radios using RP-TNC. It is an antenna, not a WLAN controller.US$ 45.00
Condition: Condition and mounting contents confirmed on quotation
AIR-ANT2524V4C-R is a four-element indoor ceiling antenna for 2.4 and 5 GHz MIMO radios. Cisco specifies 2 dBi and 4 dBi peak gain respectively.US$ 140.00
Condition: Accessory condition and availability require confirmation
AIR-ANT2422DW-R is an indoor articulated dipole for 2.4 GHz Cisco Aironet radios with an RP-TNC connector. It is not an AP or controller.US$ 45.00