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Name:
SPA-2XCT3/DS0
- Description:
- 2-port Channelized T3 to DS0 Shared Port Adapter
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3 Year Extended Warranty
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All enterprise hardware is backed by a 3-year warranty — triple the industry standard — covering defects under normal use.
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If a hardware issue is confirmed, we’ll repair or replace the unit. Replacement parts carry either original or 3-month coverage.
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Once an RMA is approved, return the defective unit within 10 days. We handle the rest — no service gaps.
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SPA-2XCT3/DS0 Overview
SPA-2XCT3/DS0 is a high-performance Ethernet network module designed for modern data centers and enterprise-grade systems. It supports data rates up to 10Gbps through dual SFP+ connectors and is compatible with a wide range of routers, switches, and servers. The module adheres to TCP/IP and iSCSI protocols, ensuring reliable and efficient high-speed network connections while offering a PCIe form factor for easy installation.
Engineered for expanding network capacity and upgrading server interfaces, SPA-2XCT3/DS0 delivers robust performance in demanding environments. Its streamlined design, combined with features like auto-negotiation, jumbo frames, and QoS support, makes it ideal for connecting to high-speed networks and meeting the rigorous requirements of modern data centers.
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Pricing for SPA-2XCT3/DS0 is available on request. Get immediate quote or for exclusive discounts, opt for bulk quotation for SPA-2XCT3/DS0.
Explore more options from Network Modules And Cards or explore other Cisco products.
SPA-2XCT3/DS0 Specifications
| Product Type | Network Module / Network Card |
| Module Type | Ethernet |
| Data Rate | 10Gbps |
| Connector Type | SFP+ |
| Supported Protocols | TCP/IP, iSCSI |
| Form Factor | PCIe |
| Operating Temperature | 0 to 70°C |
| Storage Temperature | -40 to 85°C |
| Input Voltage | 3.3V |
| Compatibility | Cisco, Juniper, Arista, Dell, HP |
| Max Speed | 10Gbps |
| Supported Features | Auto-negotiation, Jumbo Frames, QoS |
| Power Consumption | N/A |
| Interface Ports | SFP+ |
| Expansion Slots | N/A |
| Product Name | SPA-2XCT3/DS0 |
| Height | N/A |
| Width | N/A |
| Depth | N/A |
| Weight | N/A |
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
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| Compatibility | Cisco | Cisco | Cisco | Cisco, Juniper, Arista, Dell, HP | Cisco Catalyst 6509-V Series |
| Connector Type | QSFP+ | SFP+ | RJ-45 | SFP+ | N/A |
| Data Rate | 40G | 10Gbps | 1G | 10Gbps | N/A |
| Depth | N/A | N/A | N/A | N/A | N/A |
| Expansion Slots | N/A | N/A | N/A | N/A | N/A |
| Form Factor | Modular | Modular | Modular | PCIe | Modular |
| Height | N/A | N/A | N/A | N/A | N/A |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | N/A |
| Interface Ports | QSFP+ | SFP+ | Ethernet | SFP+ | N/A |
| Max Speed | 40Gbps | 10Gbps | 1Gbps | 10Gbps | N/A |
| Module Type | Ethernet | SFP+ | Ethernet | Ethernet | Fan Module |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Power Consumption | N/A | 12W | N/A | N/A | N/A |
| Product Name | WS-X6904-40G-2T | WS-X6848-SFP-2T | WS-X6716-10T-3C | SPA-2XCT3/DS0 | WS-C6509-V-E-FAN |
| Product Type | Network Module | Network Module | Network Module / Network Card | Network Module / Network Card | Cooling Module |
| Storage Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Supported Features | Auto-negotiation, Jumbo Frames, QoS | Auto-negotiation, Jumbo Frames, QoS | Auto-negotiation / Jumbo Frames / QoS | Auto-negotiation, Jumbo Frames, QoS | Redundant cooling, Hot-swappable |
| Supported Protocols | TCP/IP, Fibre Channel | TCP/IP, Ethernet | TCP/IP / UDP | TCP/IP, iSCSI | N/A |
| Weight | N/A | N/A | N/A | N/A | N/A |
| Width | N/A | N/A | N/A | N/A | N/A |
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Questions & Answers
Q
What is the Cisco SPA-2XCT3/DS0 Shared Port Adapter?
A
The Cisco SPA-2XCT3/DS0 is a 2-port channelized T3 to DS0 Shared Port Adapter that provides two DS3 interface ports, each channelized into up to 672 individual DS0 time slots for granular voice and data deployments on supported Cisco routers.
Q
Which Cisco router platforms support the SPA-2XCT3/DS0 adapter?
A
The SPA-2XCT3/DS0 is compatible with Cisco 7200 series routers (including 7204VXR, 7206VXR, 72012, 72040) and the Cisco 7301 when installed in a supported WAN interface card slot.
Q
How many DS0 channels does each T3 port provide?
A
Each T3 port on the SPA-2XCT3/DS0 supplies up to 672 DS0 channels, enabling high-density voice and data interconnectivity with individual timeslot access.
Q
What type of cable connectors are required for the SPA-2XCT3/DS0?
A
The adapter uses two standard female BNC connectors for DS3 coaxial cables, allowing direct connection to your service provider’s T3/DS3 network.
Q
Is the SPA-2XCT3/DS0 hot-swappable?
A
Yes. The SPA-2XCT3/DS0 is a hot-swappable module that can be installed or removed from the router’s WAN slot without powering down the chassis.
Q
What Cisco IOS software license is required to operate the SPA-2XCT3/DS0?
A
You need a Cisco IOS Software image with the Advanced IP Services or Enterprise Service feature set that includes channelized T3/DS0 support; no additional hardware license is required.
Q
Can I configure fractional DS0 channel groups on this adapter?
A
Yes. The SPA-2XCT3/DS0 supports per-timeslot configuration and grouping of DS0 channels for fractional T1, voice trunks, or custom data circuits.
Q
What is the maximum throughput per T3 port on the SPA-2XCT3/DS0?
A
Each channelized T3 port delivers up to 44.736 Mbps of aggregate throughput across all 672 DS0 timeslots.
Q
What are the primary applications for the SPA-2XCT3/DS0 adapter?
A
Typical applications include high-density Voice over IP gateways, PBX trunking, call center interconnectivity, and DS0-based data transport in enterprise networks.
Q
How do I install the SPA-2XCT3/DS0 in my router?
A
Power off the router (optional due to hot-swap), insert the module into an available WAN interface slot, secure the captive screws, attach DS3 coax cables to the BNC connectors, and power on (if needed). Then configure via CLI.
Q
Does the SPA-2XCT3/DS0 require external power?
A
No. The adapter draws all required power from the host router chassis; no separate power connection is needed.
Q
How can I monitor the status of DS0 channels on the SPA-2XCT3/DS0?
A
Use Cisco IOS commands such as 'show controllers ds3 <slot/port>' and 'show interfaces <interface-id>' to view alarms, signal status, and individual DS0 channel statistics.
Q
What troubleshooting steps help resolve DS0 channel errors?
A
Check physical layer alarms with 'show controllers ds3', verify channel-group configurations, perform loopback tests, and inspect cable continuity and framing/crc settings.
Q
How does the SPA-2XCT3/DS0 differ from a SPA-2T1/E1 adapter?
A
The SPA-2XCT3/DS0 provides two channelized DS3 (T3) ports with up to 672 DS0 channels per port, whereas the SPA-2T1/E1 supports two T1 or E1 ports with up to 48 DS0 channels total.
Q
What warranty coverage does Cisco offer for the SPA-2XCT3/DS0?
A
Cisco provides a limited one-year hardware warranty for the SPA-2XCT3/DS0, with options to purchase extended service contracts through Cisco SMARTnet.
Q
Where can I purchase the Cisco SPA-2XCT3/DS0 Shared Port Adapter?
A
You can acquire the SPA-2XCT3/DS0 from authorized Cisco resellers, distributors, or directly through Cisco’s online commerce portal.
