Cisco Catalyst SD-WAN Rugged Series Router Configuration Guide, Release 26.x and Later

Feature history of Digital IO

Updated: November 2, 2026

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Describes GPIO support on Cisco IR1835, helping you understand port availability and configure each port as an input or output alarm.

The Cisco IR1835 supports four general-purpose input/output (GPIO) ports. You can configure a GPIO port as an input or an output alarm.

Table 1. Feature History
Feature Name	Release Information	Description
Digital IO	Cisco IOS XE Catalyst SD-WAN Release 17.9.1a Cisco vManage Release 20.9.1	The Cisco IR1835 supports four general-purpose input/output (GPIO) ports. You can configure a GPIO port as an input or an output alarm.

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