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CMA

Cable management arm

Dell option (no published part number)

Sliding rails feature: Support for an optional cable management arm (CMA).

Verified in 1 active model(s): Dell PowerEdge R760

Description

Cable management arm (CMA)

The Cable Management Arm is a folding structure at the back of the server that follows and keeps the cables tidy when the server is pulled out of the rack.

With sliding rails, cables are not stretched or disconnected when the server is pulled out.

Service without disconnecting connections, and a tidier rear of the rack.

This text is the general explanation of this category of part (not a claim about one specific model).

Compatibility map

The relations of this part with other parts, from the audited QuickSpecs rules and the compatibility graph only (every line with its official source).

CMAB20DLCB21B22

Click a part or a relation line (or press Enter) to pin its explanation and source; Esc releases it. Drag to pan the map or use the arrow keys; zoom with the buttons, the + and − keys or Ctrl with the mouse wheel.

Hover or click a part or a relation to show its recorded rule and official source.

  • Incompatible: B20 and CMA are incompatible. The B20 static rails are not compatible with the CMA.
  • Incompatible: CMA and DLC are incompatible. The CMA is not supported in the Direct Liquid Cooling configuration.
  • Requires: CMA requires B21. The CMA and SRB are options of the sliding rails (B21 or B22): select a sliding rail.
  • Requires: CMA requires B22. The CMA and SRB are options of the sliding rails (B21 or B22): select a sliding rail.

Active models in which this part is listed

Dell PowerEdge R760

step «Rails and cable management»Add to this model's configuration

Related rules (4)

  • IncompatibilityThis part is one side of an incompatibility

    The B20 static rails are not compatible with the CMA.

    Parts on the other side: B20

    Source: dell-r760-tg — page 45
    Dell PowerEdge R760 Technical Guide
    “dell-r760-tg” — page 45View documentSearch this document
    However, they do not support serviceability in the rack and are thus not compatible with the CMA. The static rails are also not compatible with SRB.
    Source: dell-r760-tg — page 45
    Dell PowerEdge R760 Technical Guide
    “dell-r760-tg” — page 45View documentSearch this document
    B20 static rails summary
  • IncompatibilityThis part is one side of an incompatibility

    The CMA is not supported in the Direct Liquid Cooling configuration.

    Parts on the other side: DLC

    Source: dell-r760-tg — page 46
    Dell PowerEdge R760 Technical Guide
    “dell-r760-tg” — page 46View documentSearch this document
    NOTE: CMA is not supported in the Direct Liquid Cooling configuration.
    Source: dell-r760-ism — page 365
    Dell PowerEdge R760 Installation and Service Manual
    “dell-r760-ism” — page 365View documentSearch this document
    NOTE: CMA is not supported in Direct Liquid Cooling configuration.
  • Maximum quantityThe rule limits this part

    One optional cable management arm (CMA).

    Source: dell-r760-tg — page 43
    Dell PowerEdge R760 Technical Guide
    “dell-r760-tg” — page 43View documentSearch this document
    The cable management offerings consist of an optional cable management arm (CMA) and an optional strain relief bar (SRB).
  • RequirementThis part is the condition of the rule

    The CMA and SRB are options of the sliding rails (B21 or B22): select a sliding rail.

    Parts on the other side: B21B22

    Source: dell-r760-tg — page 43
    Dell PowerEdge R760 Technical Guide
    “dell-r760-tg” — page 43View documentSearch this document
    The sliding rails are available with or without the optional cable management arm (CMA) or strain relief bar (SRB).
    Source: dell-r760-tg — page 45
    Dell PowerEdge R760 Technical Guide
    “dell-r760-tg” — page 45View documentSearch this document
    However, they do not support serviceability in the rack and are thus not compatible with the CMA. The static rails are also not compatible with SRB.

Verification and sources

Verified against this option's row in Dell's official documents; Dell publishes no part number for it - the orderable SKU and price come from a Dell quote.

Document row: dell-r760-tg — page 43
Dell PowerEdge R760 Technical Guide
“dell-r760-tg” — page 43View documentSearch this document
Support for an optional cable management arm (CMA).
Document row: dell-r760-tg — page 44
Dell PowerEdge R760 Technical Guide
“dell-r760-tg” — page 44View documentSearch this document
Support for an optional cable management arm (CMA).

This page contains only the audited data of the official vendor documents (HPE, Lenovo, Dell) for the active models. Price and availability are given through the quote request in the configurator.