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Cisco SPA-4XT-SERIAL | 4x sync/async serial, Smart-Serial, up to 8 Mbps/port, PPP/HDLC

SKU:SPA-4XT-SERIAL

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Description

Four-port synchronous/asynchronous serial SPA for flexible legacy WAN connectivity. Each port uses Cisco Smart-Serial cables to present V.35, X.21, EIA-530, RS-232, or RS-449 interfaces as needed. Supports PPP/HDLC encapsulations and internal or external clocking. Hot-swappable with a compatible SPA Interface Processor (SIP).

Features

- High-density 4-port serial aggregation
- Flexible interface support via Smart-Serial cables
- Synchronous/asynchronous operation for diverse WAN use cases
- Supports PPP/HDLC encapsulations
- Internal or external clocking options
- Hot-swap capability for service continuity

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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FAQs

Technical Specifications

FAQs

Q: Which physical cable do I need?
A: Use the appropriate Cisco Smart-Serial cable for your interface type (e.g., V.35, X.21, EIA-530, RS-232, RS-449).

Q: What is the maximum speed per port?
A: Up to 8 Mbps per port, subject to platform and software support.

Q: Does it support synchronous and asynchronous modes?
A: Yes, it supports both sync and async operation.

Q: Is it hot-swappable?
A: Yes, when installed in a supported SPA Interface Processor (SIP).

Q: Which encapsulations are supported?
A: PPP and HDLC; additional features may depend on platform software.

Technical Specifications

- Ports: 4 x serial (synchronous/asynchronous)
- Physical connector: Cisco Smart-Serial (requires appropriate cables)
- Supported interfaces via cables: V.35, X.21, EIA-530/RS-530, RS-232, RS-449
- Max port speed: up to 8 Mbps per port (platform/software dependent)
- Encapsulation: PPP, HDLC
- Clocking: Internal or external
- Hot-swappable: Yes (with compatible SPA Interface Processor)
- Platform compatibility: Cisco SPA-capable platforms with a supported SIP (consult platform release notes)

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