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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: New Factory Sealed
C1-C4500X-24X-IPB is the Cisco ONE Catalyst 4500-X 24-port 10G IP Base switch with front-to-back airflow; Cisco support for this retired hardware PID ended on October 31, 2025.US$ 3,780.00
Condition: New Factory Sealed
SLASR903-M= is a Cisco ASR 903 Metro Services paper Product Activation Key for the Layer 2 service feature tier; it does not include Metro IP routing or Metro Aggregation MPLS features and includes no router hardware.US$ 888.00
Condition: New Factory Sealed
SLASR903-I= is a Cisco ASR 903 Metro IP Services paper Product Activation Key; it includes the Metro Services feature set and adds IP routing, multicast, BFD, VRF Lite, and supported timing functions, but includes no router hardware.US$ 1,800.00
Condition: New Factory Sealed
A9K-AC-PEM-V2 is Cisco's Version 2 AC Power Entry Module and power tray for modular ASR 9000 chassis; it houses compatible AC power modules rather than acting as a standalone 750W supply.US$ 850.00
Condition: New Factory Sealed
PWR-3KW-AC-V2 is Cisco's 3000W Version 2 AC power module for compatible ASR 9006 and ASR 9010 V2 AC power systems.US$ 1,800.00
Condition: New Factory Sealed
PWR-2KW-DC-V2 is Cisco's Version 2 DC power module for ASR 9006 and ASR 9010 systems, documented as a 2100W output module for -48VDC or -60VDC facilities.US$ 450.00
Condition: New Factory Sealed
ASR-9010-DOOR is Cisco's lockable front door kit for the ten-slot ASR 9010 chassis; the accessory does not include the chassis, routing cards, cooling system, power modules or air filter.US$ 347.00
Condition: New Factory Sealed
A9K-750W-AC is Cisco's 750W AC power entry module for ASR 9001 and ASR 9001-S compact routers, with worldwide 90-265VAC input documented for the platform.US$ 650.00
Condition: New Factory Sealed
ASR-9006-DOOR is Cisco's lockable front door kit for the six-slot ASR 9006 chassis; it is a chassis accessory and does not include the router, RSPs, line cards, fan trays or air filter.US$ 335.00
Condition: New Factory Sealed
SPA-4XOC12-POS is Cisco's four-port OC-12/STM-4 Packet-over-SONET/SDH Shared Port Adapter for compatible SIP-equipped routing platforms.US$ 1,480.00
Condition: New Factory Sealed
SPA-1X10GE-WL-V2 is Cisco's single-port 10 Gigabit Ethernet LAN/WAN-PHY Shared Port Adapter using field-replaceable XFP optics for supported high-end routing platforms.US$ 1,460.00
Condition: New Factory Sealed
A99-48X10GE-1G-FC is the Cisco ASR 9900 48-port dual-rate 10GE/1GE Flexible Consumption line card, initially enabling 200G of its 480G port capacity for compatible ASR 9900 chassis.US$ 12,760.00
Condition: New Factory Sealed
A99-12X100GE-FC is the Cisco ASR 9900 12-port 100GE Flexible Consumption line card, initially enabling 500G of its 1.2T physical port capacity for supported third-generation ASR 9900 deployments.US$ 11,380.00
Condition: New Factory Sealed
A9K-24X10GE-1G-FC is Cisco's 24-port dual-rate 10GE/1GE ASR 9000 third-generation line card under the Flexible Consumption Model, with 100G initial licensed capacity out of 240G.US$ 10,585.00
Condition: New Factory Sealed
A9K-48X10GE-1G-FC is Cisco's 48-port dual-rate 10GE/1GE ASR 9000 third-generation line card under the Flexible Consumption Model, with 200G initial licensed capacity out of 480G.US$ 12,760.00
Condition: New Factory Sealed
ASR5K-C4OC3-SM-K9 is the non-spare system ordering form of Cisco's CLC2 Channelized four-port STM-1/OC-3 ASR 5000 line card with single-mode SFPs; it is obsolete hardware and must not be confused with the OLC2 clear-channel ATM card.US$ 1,980.00
Condition: New Factory Sealed
ASR5K-4OC3C-SM-K9 is the non-spare system ordering form of Cisco's OLC2 ATM four-port STM-1c/OC-3c ASR 5000 line card with single-mode SFPs; it is obsolete hardware and must not be confused with the CLC2 channelized Frame Relay card.US$ 1,980.00
Condition: New Factory Sealed
ASR5K-C4OC3-SM-K9= is the spare/replacement ordering form of Cisco's CLC2 Channelized four-port STM-1/OC-3 ASR 5000 line card with single-mode SFPs; it is obsolete hardware and must not be confused with the OLC2 clear-channel ATM card.US$ 4,672.00
Condition: New Factory Sealed
ASR5K-4OC3C-SM-K9= is the spare/replacement ordering form of Cisco's OLC2 ATM four-port STM-1c/OC-3c ASR 5000 line card with single-mode SFPs; it is obsolete hardware and must not be confused with the CLC2 channelized Frame Relay card.US$ 1,980.00
Condition: New Factory Sealed
ASA5585S60-10K-K9 is the legacy Cisco ASA 5585-X SSP-60 SSL/IPsec VPN Edition bundle with 10,000 IPsec and 10,000 Premium VPN peer entitlements in the original order.US$ 18,900.00