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2IO8 I/O Module Rack 8 Channel Equivalent & Substitute Parts
Part Overview
The 2IO8 is an I/O Module Rack with 8 channels manufactured by TE Connectivity Potter & Brumfield Relays. This component is classified as obsolete, indicating it is no longer in active production. The module features card edge and screw terminal block connectors with standoff mounting configuration, designed for rack-based I/O applications requiring multiple channel integration.
Due to its obsolete status, locating equivalent or substitute components becomes necessary for system maintenance, repair, and new design implementations where legacy compatibility is not required. Substitute parts must maintain functional equivalence across the critical parameters that define the module's operational role within a system.
Substiute Parts
Key Parameters
| Parameter | Value | Significance |
|---|---|---|
| Number of Channels | 8 | Defines I/O capacity and system integration requirements |
| Connector Type | Card Edge, Screw Terminal Blocks | Determines physical and electrical interface compatibility |
| Mounting Type | Standoffs | Specifies mechanical installation method and form factor |
| Style | Standard | Indicates conventional design without specialized variants |
| RoHS Status | RoHS non-compliant | Identifies regulatory compliance classification |
Substitute Part Grouping Explanation
Substitution of the 2IO8 is based on functional and mechanical equivalence across the following critical parameters:
Channel Configuration: The substitute part must provide 8 channels to maintain system I/O capacity without requiring architectural redesign.
Connector Interface: Both card edge and screw terminal block connectors must be present to ensure compatibility with existing backplane and wiring infrastructure.
Mounting Architecture: Standoff mounting must be retained to preserve mechanical fit within the rack assembly.
Operational Style: Standard configuration without specialized variants ensures direct functional replacement.
The 70RCK8 manufactured by Grayhill Inc. satisfies all substitution criteria across these parameters, enabling it to function as a direct equivalent in applications where the 2IO8 is no longer available.
Parameter Comparison
| Parameter | 2IO8 (TE Connectivity) | 70RCK8 (Grayhill Inc.) | Match Status |
|---|---|---|---|
| Number of Channels | 8 | 8 | Equivalent |
| Connector Type | Card Edge, Screw Terminal Blocks | Card Edge, Screw Terminal Blocks | Equivalent |
| Mounting Type | Standoffs | Standoffs | Equivalent |
| Style | Standard | Standard | Equivalent |
| RoHS Status | RoHS non-compliant | RoHS non-compliant | Equivalent |
| Product Status | Obsolete | Active | Substitute is in active production |
| ECCN Classification | EAR99 | EAR99 | Equivalent |
Engineering Selection Recommendations
The 70RCK8 serves as a direct functional substitute for the 2IO8 based on the following engineering criteria:
Functional Equivalence: Both components provide 8-channel I/O capability with identical connector types and mounting architecture, enabling direct replacement without system redesign.
Production Status: The 70RCK8 is in active production status, ensuring availability for procurement and long-term supply chain stability, whereas the 2IO8 is obsolete and subject to inventory depletion.
Regulatory Alignment: Both components share identical RoHS non-compliance and ECCN classifications, maintaining consistent regulatory posture within the application environment.
Mechanical Compatibility: Standoff mounting configuration is preserved across both components, allowing installation within existing rack assemblies without mechanical modification.
Selection of the 70RCK8 is appropriate for applications requiring immediate component availability, long-term supply assurance, and functional equivalence to the legacy 2IO8 module.
Frequently Asked Questions (FAQ)
Q: Can the 70RCK8 directly replace the 2IO8 in existing systems?
A: Yes. The 70RCK8 provides equivalent channel count, connector types, and mounting configuration. Direct substitution is supported without system modification.
Q: Are there differences in connector specifications between these components?
A: Both components feature card edge and screw terminal block connectors. No connector specification differences exist that would affect compatibility.
Q: What is the significance of the product status difference?
A: The 2IO8 is obsolete and no longer manufactured. The 70RCK8 is in active production, ensuring component availability and supply chain continuity for new applications and system maintenance.
Q: Do both components share the same regulatory classifications?
A: Yes. Both the 2IO8 and 70RCK8 are classified as RoHS non-compliant and carry EAR99 ECCN designation, maintaining identical regulatory compliance profiles.
Q: Is the mounting method identical between these components?
A: Yes. Both components use standoff mounting, preserving mechanical installation compatibility within rack-based assemblies.
Q: What packaging format is the 70RCK8 supplied in?
A: The 70RCK8 is supplied in bulk packaging, suitable for direct integration into manufacturing and assembly workflows.
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