• Cisco A920-CM-GNSS module in black and white server rack line drawing
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Cisco

Cisco A920-CM-GNSS | ASR 920 GNSS clocking module | GNSS timing input | PTP/SyncE enablement | 1PPS/ToD support

A920-CM-GNSS

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Description

GNSS clocking module for ASR 920 routers, enabling GNSS-based frequency and time synchronization for timing-sensitive services. Supports timing architectures that leverage network features such as IEEE 1588 PTP and Synchronous Ethernet when enabled by the platform software. Ideal for mobile backhaul and utility/industrial networks requiring precise phase/frequency.

Features

- Adds GNSS-based timing capability to ASR 920
- Supports 1PPS/ToD signaling for precise sync
- Designed for PTP and SyncE timing architectures
- Suitable for carrier and industrial deployments
- Field-installable with standard procedures

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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Technical Specifications

FAQs

Technical Specifications

- Compatibility: ASR 920 series (supported models/IOS XE releases)
- Function: GNSS-derived clocking for network timing
- Timing interfaces: Supports 1PPS/ToD signaling (platform dependent)
- Use cases: Mobile backhaul, TDM migration, utilities, industrial
- Network timing: Integrates with PTP and SyncE features when licensed/enabled
- Installation: Field-replaceable module; follow ESD and safety procedures

FAQs

Q: Does this module require specific software or licenses?
A: PTP/SyncE and advanced timing features may require specific IOS XE versions and licensing. Verify against your device’s software matrix.

Q: Is an external GNSS antenna required?
A: Yes, GNSS reception requires a properly sited external antenna and cabling suitable for your deployment.

Q: Can it provide both frequency and phase sync?
A: When used with supported software features and proper GNSS signal, it can support frequency and time/phase synchronization use cases.

Q: How do I verify lock and status?
A: Use platform show/monitoring commands and the device management interface to check GNSS lock, 1PPS/ToD status, and PTP/SyncE state.

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