• Cisco VG420-84FXS/6FXO Analog Voice Gateway with Cisco 2960X Switch
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Cisco

Cisco VG420-84FXS/6FXO | Analog Voice Gateway | 84 FXS + 6 FXO | SIP/MGCP | T.38 Fax | 2RU rackmount

VG420-84FXS/6FXO

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Description

Mixed analog gateway with high FXS density plus FXO trunks for PSTN fallback or local break-in/break-out. Ideal for sites transitioning to IP telephony while retaining analog devices and a handful of copper lines.

Features

- Balanced FXS density with 6 FXO lines for PSTN access
- Standards-based SIP/MGCP interoperability
- Reliable T.38 faxing over IP
- 2RU rack-mount chassis for easy deployment
- Flexible analog-to-IP migration path for branches and campuses

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

- Analog interfaces: 84x FXS ports + 6x FXO ports
- Signaling protocols: SIP, MGCP
- Fax support: T.38 and pass-through
- Use case: Analog phones/fax plus local PSTN access via FXO
- Form factor: 2RU, 19-inch rack-mountable
- FXO features: battery reversal, caller ID (platform-dependent)
- Management: console/SSH, web/HTTP(S) (platform-dependent)
- Networking: Gigabit Ethernet connectivity (platform-dependent)
- Security: secure management via SSH/HTTPS (platform-dependent)
- Power: AC-powered (model-dependent options)
- Compatibility: interoperates with leading IP PBX and call-control platforms

FAQs

Q: What is the benefit of FXO ports on this configuration?
A: FXO ports allow connectivity to the local PSTN for backup dial tone, local emergency calling, or break-in/break-out without SIP trunks.

Q: Does it work with SIP-based call-control systems?
A: Yes, it supports SIP and MGCP for integration with common IP telephony platforms.

Q: Are FXS and FXO ports configurable independently?
A: Yes, FXS endpoints and FXO trunks can be configured separately to meet site requirements.

Q: Is fax supported?
A: Yes, T.38 fax relay and pass-through are supported (ensure your call-control system is configured accordingly).

Q: Is rack hardware included?
A: Rack ears/brackets may be supplied as part of a mounting kit; verify contents or pair with the appropriate 2RU 19-inch rack mount kit.

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