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Michael Harris
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Stable aggregation router with the 10GE density our access design needed.
ASR-920-4SZ-A
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Cisco ASR 920 Aggregation Services Router, 2GE, 4x 10GE SFP+...
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ASR-920-4SZ-A
- Description:
- Cisco ASR 920 Aggregation Services Router, 2GE, 4x 10GE SFP+, AC Power, 1RU
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- Brand:
- Cisco
- GTIN:
- 882658980947
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ASR-920-4SZ-A Overview
ASR-920-4SZ-A is a Cisco ASR 920 Aggregation Services Router for Carrier Ethernet access, mobile backhaul, Metro Ethernet, and enterprise service edge deployments that need a fixed low-port-density chassis. This AC model is identified by Cisco as the 2GE and 4-10GE version, giving buyers a compact mix of Gigabit Ethernet and 10 Gigabit Ethernet interfaces in a 1RU platform. It is wired, fixed-form-factor hardware with all Ethernet interfaces built into the chassis, not a modular branch router or wireless gateway. The router runs Cisco IOS XE and uses per-chassis software licensing for Metro Access, Metro IP Access, and Advanced Metro IP Access feature sets. Its front-access layout supports remote access shelves, aggregation rooms, and customer premises where copper or optical Ethernet handoffs must be staged predictably. ASR-920-4SZ-D is the closest sibling in the same 4SZ port layout and differs by DC power instead of AC power.
2 Gigabit Ethernet and four 10 Gigabit Ethernet interfaces place access, aggregation, and customer-premises handoffs on the same Carrier Ethernet platform. Line-rate Carrier Ethernet ASIC forwarding carries Layer 2, IP, MPLS, VPLS, H-VPLS, EoMPLS, and L3VPN services while applying hierarchical QoS, ACL processing, and traffic-management functions. OSPF, EIGRP, BGP, IS-IS, RIP, IPv6 static routing, HSRP, BFD, LDP, MPLS-TP, and MPLS traffic engineering align the router with service provider access designs. ASR-920-4SZ-A runs Cisco IOS XE with 3.13.0S as the first supported release and exposes CLI, SNMP, Cisco Prime Network management, ZTP, EEM, CDP, LLDP, and Smart Licensing functions. BITS, 1PPS, ToD, SyncE, and IEEE 1588-2008 timing support mobile and packet transport networks that need clocking continuity across Ethernet access links.
ASR-920-4SZ-A fits remote access shelves, central offices, outside protected cabinets, and customer-edge aggregation points where AC feed, front-to-back airflow, redundant built-in power supplies, and extended operating temperature matter. Cisco lists the ASR 920 Series as EOL announced, with end-of-sale dated March 31, 2027 and end-of-support dated March 31, 2032, so replacement planning and sparing should use exact platform matching. The short-depth 7.7 lb chassis helps teams place the router in compact access cabinets while keeping front-panel cabling and alarm visibility close to field operations during service turn-up. ORM Systems supplies this router in new and certified refurbished condition for service-provider access refreshes, enterprise handoff projects, and lifecycle continuity programs at remote sites. Refurbished units receive full boot checks, interface validation across GE and 10GE ports, image review, chassis inspection, and power-supply verification before dispatch. Request a quote for this Cisco router when a deployment needs ASR 920 Carrier Ethernet access with AC power. Volume buyers receive practical sourcing support for matched spares, staged replacements, and multi-site aggregation rollouts.
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ASR-920-4SZ-A Specifications
- Product Type
- Service Provider Router / Enterprise Router
- Product Name
- Cisco ASR920 Series - 2GE and 4-10GE - AC model
- Manufacturer Part Number
- ASR-920-4SZ-A
- Brand
- Cisco
- Series
- ASR 920
- Use Case
- Service Provider / Enterprise
- Architecture
- Fixed
- Form Factor
- Rack-Mount 1U
- Connectivity Type
- Wired
- Operating System
- Cisco IOS XE
- Software
- Cisco IOS XE 3.13.0S first supported release
- Remote Management
- CLI / SNMP
- SD-WAN Support
- SD-WAN Not Supported
- IPv6 Support
- IPv6 Supported
- Routing Protocols
- BGP / EIGRP / IS-IS / OSPF / RIP / Static Routing
- MPLS Support
- MPLS Supported
- Built-in Firewall
- No Built-in Firewall
- Security Features
- AAA, SSHv2, IPv4/IPv6 ACLs, uRPF, MAC security
- QoS Features
- HQoS, MQC, LLQ, CBWFQ, WRED, DSCP, ACL classification
- High Availability Support
- High Availability Supported
- Timing / Synchronization
- BITS; 1PPS; ToD; SyncE; IEEE 1588-2008
- Routing Throughput
- Line-rate with Carrier Ethernet ASIC
- Additional Performance / Capacity
- Carrier Ethernet ASIC; HQoS; MPLS; VPLS
- Scale Limits
- Thousands of subscribers; eight queues per service; three scheduling levels
- WAN Configuration
- Multi-WAN
- WAN Ports
- 2 x GE; 4 x 10GE
- Transceiver Port Configuration
- GE SFP; 10GE SFP+
- Ethernet Technology
- Gigabit Ethernet / 10 Gigabit Ethernet
- Broadband
- No Broadband
- Cellular Standard
- No Cellular
- PoE Support
- Non-PoE
- Included Components
- Base chassis; dual built-in AC power supplies
- Power Source
- AC Power Supply
- Power
- 105W max; 75W typical; 85-264 VAC; 47-63 Hz
- Operating Temperature
- -40 to +70 C up to 1,000 ft
- Environmental Rating
- 5% to 95% RH; Zone 4 seismic
- Height
- 1.72 in
- Width
- 15.5 in
- Depth
- 9.1 in
- Weight
- 7.7 lb
- Compliance Standards
- Safety: UL 60950-1, IEC 60950-1 / EMC: FCC Part 15 Class A, EN55022 Class A / Telecom: NEBS GR-63, GR-1089
ASR-920-4SZ-A Use Case
Carrier Ethernet Access Edge
Service-provider teams place ASR-920-4SZ-A at the access edge where customer Ethernet circuits, aggregation uplinks, and MPLS services converge. The router maps 2GE handoffs and four 10GE interfaces into EVC, L2VPN, L3VPN, VPLS, and QoS service designs under Cisco IOS XE. AC power and compact 1RU mounting fit central-office shelves or protected remote access cabinets. The access layer gains a fixed ASR 920 platform that supports premium Ethernet services, service OAM, and predictable operational handoff points. This creates consistent service demarcation across smaller aggregation nodes.
Mobile Backhaul Aggregation
ASR-920-4SZ-A operates in mobile backhaul aggregation where Ethernet and IP interfaces collect base-station traffic before transport into MPLS or provider metro networks. SyncE, IEEE 1588-2008, BITS, 1PPS, and Time of Day functions preserve timing across packet access links, while HSRP, BFD, and hierarchical QoS protect service behavior. The four 10GE ports handle higher-speed uplinks or aggregated cell-site traffic. The backhaul domain gains clock-aware Ethernet routing with a compact AC-powered edge footprint and deterministic timing behavior for packet transport operations today.
Customer Premises Service Edge
Network operators deploy this ASR 920 model as universal customer premises equipment for managed Ethernet, IP routing, and MPLS service delivery. Cisco IOS XE software activation aligns Metro Access, Metro IP Access, or Advanced Metro IP Access features with the ordered service profile. The fixed chassis keeps interface inventory simple while still providing GE and 10GE handoff choices. Refurbished or new sourcing through ORM Systems supports sparing and staged site replacement programs, giving operations teams consistent service-edge hardware across customer locations.
Quality Certifications
Reviews & Ratings
R
Rachel Adams
5
The refurbished unit passed staging cleanly and matched the AC model requested.
J
Jonathan Price
5
Good fit for Metro Ethernet handoff work with predictable IOS XE management.
P
Priya Shah
5
Port and license planning support made the deployment easier to schedule.
S
Steven Clarke
5
Reliable platform for replacing older ASR 920 units in our spare pool.
M
Melissa Grant
4
Solid router, though optics and licenses needed careful confirmation before order.
D
David Foster
4
Good performance at the access edge after our standard configuration checks.
Questions & Answers
What is ASR-920-4SZ-A?
ASR-920-4SZ-A is a Cisco ASR 920 Series Aggregation Services Router for Carrier Ethernet access, mobile backhaul, Metro Ethernet, and enterprise service edge deployments. Cisco identifies this exact model as the 2GE and 4-10GE AC version. It is a fixed 1RU router with Cisco IOS XE operation and built-in AC power supplies.
What does the ASR-920-4SZ-A model number mean?
ASR-920-4SZ-A identifies a Cisco ASR 920 low-port-density aggregation router with a 4SZ port layout and AC power. Cisco lists ASR-920-4SZ-A as the 2GE and 4-10GE AC model, while ASR-920-4SZ-D uses the same port-density family with DC power for sites built around DC feeds and utility designs.
Is ASR-920-4SZ-A a router or a switch?
ASR-920-4SZ-A is a router, although Cisco also describes the ASR 920 platform as a full-featured Layer 2 switch and Layer 3 router for carrier access. The product category is Cisco ASR 920 Series Aggregation Services Routers, and its role is service-provider Ethernet access, MPLS transport, Metro Ethernet, and aggregation routing.
Where does ASR-920-4SZ-A sit in the Cisco ASR 920 lineup?
ASR-920-4SZ-A sits in the low-port-density ASR 920 model group beside ASR-920-4SZ-D, ASR-920-12CZ-A, and ASR-920-12CZ-D. It is the AC-powered 2GE and 4-10GE model, making it the 4SZ option for sites that need fewer built-in Gigabit Ethernet ports than the 12CZ variants and more 10GE-facing capacity for aggregation.
How many Ethernet interfaces does ASR-920-4SZ-A include?
ASR-920-4SZ-A includes two Gigabit Ethernet interfaces and four 10 Gigabit Ethernet interfaces according to Cisco's low-port-density hardware table. That port mix fits access aggregation, carrier Ethernet handoffs, mobile backhaul, and customer premises router roles where 10GE uplinks or service interfaces are required without a higher-density chassis.
What throughput does ASR-920-4SZ-A support?
Cisco describes the ASR 920 Series as using a Carrier Ethernet ASIC that provides line-rate performance for service-provider Ethernet functions. ASR-920-4SZ-A should be sized around its two GE and four 10GE physical interface layout, required Cisco IOS XE license set, QoS policy depth, MPLS services, and operational traffic profile.
Which routing protocols are supported on ASR-920-4SZ-A?
ASR-920-4SZ-A supports the Cisco IOS XE ASR 920 routing protocol set, including RIP, OSPF, EIGRP, BGP, IS-IS, and static routing. Cisco also lists HSRP, BFD for OSPF, IS-IS, BGP and static routes, CEF ECMP load sharing, IPv6 static routing, OSPFv3, 6PE, and 6VPE support for routed access services.
Does ASR-920-4SZ-A support MPLS services?
Yes, ASR-920-4SZ-A supports MPLS features through Cisco IOS XE feature licensing for ASR 920 routers. Cisco lists MPLS, LDP, MPLS L3VPN, MPLS-TP, EoMPLS, VPLS, H-VPLS, MPLS traffic engineering, fast reroute, and MPLS OAM in the ASR 920 software feature set for provider access networks and metro services.
Does ASR-920-4SZ-A support timing and synchronization?
Yes, ASR-920-4SZ-A belongs to the ASR 920 family that provides timing functions for converged access networks. Cisco lists BITS, 1PPS, Time of Day, SyncE, Ethernet Synchronization Messaging Channel, Synchronization Status Messages, and IEEE 1588-2008 timing support. These features matter in mobile backhaul and packet transport networks.
How is ASR-920-4SZ-A managed?
ASR-920-4SZ-A is managed through Cisco IOS XE command-line operation, SNMP, and Cisco Prime Network workflows. Cisco lists CLI, SNMP, MIBs, Embedded Event Manager, ZTP, Cisco Discovery Protocol, LLDP, Smart Call Home, Smart Licensing, and Cisco Prime Network for fault, provisioning, and performance management on ASR 920 routers.
What service-provider use cases fit ASR-920-4SZ-A?
ASR-920-4SZ-A fits service-provider access, Metro Ethernet, mobile backhaul, broadband access, and universal customer premises equipment roles. Its 2GE and 4-10GE interface layout suits smaller aggregation sites that need Ethernet, IP, MPLS, L2VPN, L3VPN, QoS, OAM, and timing services in a compact AC-powered 1RU chassis with carrier SLA handoff points.
Is ASR-920-4SZ-A suitable for mobile backhaul?
ASR-920-4SZ-A suits mobile backhaul where Ethernet aggregation, MPLS transport, SyncE, IEEE 1588-2008, BITS, 1PPS, and Time of Day support are required. Cisco positions the ASR 920 platform for converged access networks that aggregate base-station traffic through Ethernet and IP interfaces while preserving packet timing services.
Is ASR-920-4SZ-A suitable for Metro Ethernet access?
ASR-920-4SZ-A suits Metro Ethernet access roles where a provider needs Layer 2, IP, and MPLS transport for smaller aggregation points. Cisco positions ASR 920 routers for Carrier Ethernet access with L2VPN, L3VPN, multicast, OAM, VPLS, H-VPLS, hierarchical QoS, and SLA-oriented service delivery across compact access locations.
Is ASR-920-4SZ-A suitable for universal CPE deployments?
ASR-920-4SZ-A suits universal customer premises equipment deployments when an AC-powered fixed router with built-in GE and 10GE interfaces is required. Cisco describes the ASR 920 fixed-form-factor platform as covering Gigabit Ethernet and 10-Gigabit Ethernet scenarios with software activation for feature and port growth as services expand.
Which optics are used with ASR-920-4SZ-A?
ASR-920-4SZ-A uses Cisco ASR 920 Ethernet interfaces that support documented Fast Ethernet SFP, Gigabit Ethernet SFP, and Ten Gigabit Ethernet SFP+ optic families. Cisco lists examples such as GLC-SX-MMD, GLC-LH-SMD, GLC-ZX-SMD, SFP-GE-T, SFP-10G-SR, SFP-10G-LR, SFP-10G-ER, and SFP-10G-ZR for access and aggregation links in production networks.
Which software licenses apply to ASR-920-4SZ-A?
ASR-920-4SZ-A uses the ASR 920 Cisco IOS XE license model. Cisco lists Metro Access, Metro IP Access, and Advanced Metro IP Access feature-set licenses, plus port and IEEE 1588 license options. The required license depends on whether the deployment needs Layer 3 routing, MPLS, pseudowires, timing, or activated ports.
Does ASR-920-4SZ-A support IPv6?
Yes, ASR-920-4SZ-A supports IPv6 features through Cisco IOS XE for ASR 920 routers. Cisco lists hardware-based IPv6 forwarding, IPv4 and IPv6 dual stack, manual IPv6 interface addressing, ICMPv6, IPv6 static routing, OSPF for IPv6, DHCPv6 relay, BFD for IPv6 routes, 6PE, and 6VPE across provider edge services.
Does ASR-920-4SZ-A support security controls?
ASR-920-4SZ-A supports Cisco IOS XE security controls for ASR 920 routers, including AAA with TACACS+ and RADIUS, SSHv2, Layer 3 ACLs for IPv4 and IPv6, strict-mode IPv4 uRPF, MAC security capabilities, Dynamic ARP Inspection, DHCP snooping, and DHCP option 82 functions for managed access networks.
How does ASR-920-4SZ-A compare with ASR-920-4SZ-D?
ASR-920-4SZ-A and ASR-920-4SZ-D share the same 2GE and 4-10GE low-port-density platform role. The key difference is power input: ASR-920-4SZ-A is the AC model, while ASR-920-4SZ-D is the DC model. Buyers normally choose between them based on site power architecture and sparing standards for field replacement.
How does ASR-920-4SZ-A compare with ASR-920-12CZ-A?
ASR-920-4SZ-A is the AC-powered 2GE and 4-10GE model, while ASR-920-12CZ-A is the AC-powered 12GE and 2-10GE model. Choose ASR-920-4SZ-A when more 10GE ports are needed in a lower GE-count design. Choose ASR-920-12CZ-A when the site needs more Gigabit Ethernet access ports for customers and devices.
How does ASR-920-4SZ-A compare with ASR-920-12CZ-D?
ASR-920-4SZ-A provides 2GE and 4-10GE with AC power, while ASR-920-12CZ-D provides 12GE and 2-10GE with DC power. The decision combines port mix and power feed. ASR-920-4SZ-A fits AC sites prioritizing 10GE density, and ASR-920-12CZ-D fits DC sites prioritizing GE port count at access locations and racks.
Should I choose ASR-920-4SZ-A or ASR-920-12CZ-A for aggregation?
Choose ASR-920-4SZ-A when the aggregation design needs four 10GE ports and only two GE ports in an AC-powered chassis. Choose ASR-920-12CZ-A when the same AC site needs more GE-facing access handoffs and fewer 10GE interfaces. Both models belong to the low-port-density ASR 920 router group.
What is the ASR-920-4SZ-A price at ORM Systems?
Pricing for ASR-920-4SZ-A depends on condition, sourcing channel, quantity, license requirements, accessories, and current ASR 920 availability. ORM Systems quotes this router after checking exact part identity, AC power configuration, service needs, and project quantity. Share the deployment role and target quantity to receive an accurate commercial response.
Is ASR-920-4SZ-A available in new or refurbished condition?
ASR-920-4SZ-A is sourced by ORM Systems in new or certified refurbished condition when supply supports the request. New units suit planned service builds, while refurbished units fit sparing, replacement, and lifecycle continuity programs. ORM Systems confirms Cisco part identity, AC model status, chassis condition, accessories, and commercial terms before quoting.
Does ORM Systems support bulk orders for ASR-920-4SZ-A?
ORM Systems supports bulk quoting for ASR-920-4SZ-A across carrier access refreshes, customer-edge deployments, spare pool builds, and staged aggregation replacements. Bulk requests should include quantity, preferred condition, destination countries, license needs, optics or rack accessories, and target delivery windows so sourcing aligns with the technical bill of materials.
How quickly can ORM Systems source ASR-920-4SZ-A?
Lead time for ASR-920-4SZ-A changes with market supply, requested condition, quantity, accessories, and destination. ORM Systems checks available new and certified refurbished units before confirming timing on a quote. For urgent replacement projects, include required arrival date, destination country, port-license needs, and any optics or mounting requirements.
What is the Cisco lifecycle status for ASR-920-4SZ-A?
Cisco lists the ASR 920 Series status as EOL announced, available for order, with end-of-sale dated March 31, 2027 and end-of-support dated March 31, 2032. Buyers should plan ASR-920-4SZ-A purchases around exact lifecycle needs, approved software releases, sparing strategy, and replacement timing before finalizing production deployment.
What warranty terms apply to ASR-920-4SZ-A?
Warranty terms for ASR-920-4SZ-A depend on quoted condition, sourcing route, and commercial package. ORM Systems states the applicable coverage on the quote instead of assuming one term for every unit. Buyers should confirm replacement expectations, internal support requirements, Cisco service expectations, and refurbishment status before releasing a purchase order.
How does ORM Systems test refurbished ASR-920-4SZ-A units?
ORM Systems prepares refurbished ASR-920-4SZ-A units with router-focused checks before dispatch. The process includes boot verification, chassis inspection, AC power review, image readiness, and interface validation across GE and 10GE ports. Buyers should also confirm license, optic, rack-mount, and configuration requirements before staging the router for production service.
Which certifications and compliance standards apply to ASR-920-4SZ-A?
Cisco lists ASR 920 safety and compliance standards including UL 60950-1, CAN/CSA C22.2 No. 60950-1-07, IEC 60950-1, EN 60950-1, FCC CFR47 Part 15 Class A, EN55022 Class A, EN 300 386, NEBS GR-63, NEBS GR-1089, and network synchronization standards for timing-sensitive access deployments and carrier sites.
What should be checked before configuring ASR-920-4SZ-A?
Before configuring ASR-920-4SZ-A, teams should verify AC power availability, rack fit, airflow direction, optics, GE and 10GE handoff requirements, Cisco IOS XE release, feature licenses, port licenses, timing requirements, and management access. These checks reduce staging issues when the router is used for MPLS, Metro Ethernet, or mobile backhaul services.
Does ASR-920-4SZ-A require licenses for all features?
ASR-920-4SZ-A uses Cisco IOS XE software activation for ASR 920 routers, so features depend on the installed license set. Cisco lists Metro Access, Metro IP Access, Advanced Metro IP Access, port licenses, and IEEE 1588 license options. Buyers should align licenses with routing, MPLS, timing, pseudowire, and port activation requirements.
What accessories should be planned with ASR-920-4SZ-A?
ASR-920-4SZ-A projects should plan required optics, fiber or copper media, rack-mount kit, AC power cords, software licenses, port licenses, and timing accessories where applicable. Cisco lists ETSI, 19-inch, and 23-inch rack-mount accessory options for ASR 920 routers. ORM Systems confirms required accessories during quote review.
Where can I buy ASR-920-4SZ-A in the UK?
ASR-920-4SZ-A can be quoted through ORM Systems for UK buyers that need Cisco ASR 920 aggregation routers in new or certified refurbished condition. ORM Systems reviews the exact AC model, quantity, license needs, optics, rack accessories, and delivery location before returning a quote aligned to the deployment plan.
Does ORM Systems ship ASR-920-4SZ-A internationally?
ORM Systems handles international ASR-920-4SZ-A quote requests for service-provider, enterprise, and reseller projects. Shipping options, costs, export details, and delivery timing are confirmed during quoting based on destination, quantity, condition, and required accessories. Buyers should provide destination country, site deadlines, and any import or documentation requirements.