AB 1757-SRC3
AB 1757-SRC3
AB 1757-SRC3
AB 1757-SRC3
AB 1757-SRC3
AB 1757-SRC3
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1757-SRC3

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Allen-Bradley 1757-SRC3 spans a 3 m protected route between paired 1757-SRM redundancy modules with one optical transmit/receive channel.
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Ships by Wednesday, October 28
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Technical specifications for 1757-SRC3

  • Manufacturer:
    Allen-Bradley
  • Part Number:
    1757-SRC3
  • Product Family:
    ControlLogix
  • Product Type:
    3 m Redundancy Module Fiber-Optic Cable
  • Stock:
    1
  • Cable Length:
    3 m
  • Connector Type:
    ST-type fiber-optic
  • Fiber Type:
    62.5/125 µm multimode fiber-optic cable
  • Channels:
    One transmit-and-receive fiber channel
  • Ground Isolation:
    Not applicable; fiber-optic interface
  • Compatible Module:
    1757-SRM redundancy module
  • Connector Keying:
    Keyed for correct installation
  • Dimensions:
    19.5 × 16.5 × 4.5 cm
  • Weight:
    0.16 kg
  • Tariff Code:
    8544700000
  • Country of origin:
    USA
  • Place of shipment:
    Xiamen, Fujian, China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals 3 m Route Planning Endpoint Connection Damage Prevention Application
  • 3 m fiber-optic cable for communication between paired 1757-SRM modules
  • Keyed ST-type connectors with 62.5/125 µm multimode optical fiber
  • One transmit-and-receive fiber channel for the redundancy link

1757-SRC3 is an Allen-Bradley 3 m fiber-optic cable specified for communication between two 1757-SRM modules in a redundant chassis pair.

The documented 3 m length supports layouts that require more routing distance than 1757-SRC1 while retaining the same keyed optical connection and single transmit-and-receive channel.

Before installation, measure the complete cable path, remove the protective hardware in the documented sequence, seat both connectors fully, and protect the route from sharp bends, cutting, traffic, and abrasion.

Availability, condition, price, and shipping time for 1757-SRC3 are confirmed during quotation.

Allen-Bradley 1757-SRC3 3 m Redundancy Module Fiber-Optic Cable Manuals, Datasheets, Links

Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.

  • Rockwell Automation identifies 1757-SRC3 as the 3 m cable option
  • Measure the complete protected path between both 1757-SRM modules before ordering
  • Use the documented 3 m option when the 1 m cable cannot complete the route safely
  • 1757-SRC3 terminates at the optical connectors on the two 1757-SRM modules
  • The ST-type cable and module connectors are keyed for correct installation
  • The cable provides one transmit-and-receive optical channel across the chassis pair
  • Plan the 3 m route without sharp bends in the optical fiber
  • Keep the longer cable path away from cutting, crushing, and traffic hazards
  • Protect the connector ends from contamination until the documented connection step
  • Separated redundant chassis pairs that require the documented 3 m cable length
  • Exact replacement of an installed Allen-Bradley 1757-SRC3
  • Protected optical redundancy links where the 1 m catalog option is too short
Description
1757-SRC3 is the 3 m Allen-Bradley fiber-optic cable specified for communication between two 1757-SRM redundancy modules.

Its documented length provides more routing distance than 1757-SRC1 while retaining keyed ST connectors, 62.5/125 µm multimode fiber, and one transmit-and-receive optical channel.

Before connection, confirm that the complete protected route fits within 3 m, remove the module plugs and cable-end caps in the documented sequence, and keep the cable away from sharp bends, cutting, traffic, and abrasion.
Alternative Names
1757-SRC3 Allen-Bradley 1757-SRC3 Rockwell Automation 1757-SRC3 AB 1757-SRC3 A-B 1757-SRC3 ProcessLogix 1757-SRC3
Technical notes
1757-SRC3 is the documented 3 m redundancy-cable option. Measure the complete protected path between both 1757-SRM modules before selection, then seat both keyed ST connectors and inspect the longer route for sharp bends, cutting, traffic, or abrasion.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
When should 1757-SRC3 be chosen for a redundant chassis pair?
Choose 1757-SRC3 when the documented 3 m cable length fits the physical separation and protected route between the paired 1757-SRM modules.
Can 1757-SRC3 connect directly to both 1757-SRM modules?
Yes. It is the official redundancy module cable, and its keyed ST-type connectors plug into the optical connectors on the two 1757-SRM modules.
What should be confirmed before replacing 1757-SRC3?
Confirm the exact catalog number, the 3 m route, both module endpoints, connector condition, and that the cable is not being substituted for another SRC-series length.
How should 1757-SRC3 be routed inside the installation?
Avoid sharp bends and place the fiber where it will not be cut, run over, abraded, pinched, or otherwise damaged.
Are protective caps important when handling 1757-SRC3?
Yes. Remove the caps only for installation and protect unused connector ends from contamination or damage during handling and storage.
Does 1757-SRC3 provide electrical ground isolation?
Its link is fiber-optic, so the official cable specification lists ground isolation as not applicable rather than as an electrical isolation rating.
What can cause an intermittent 1757-SRC3 redundancy link?
Excessive bending, damaged fiber, dirty or incompletely seated ST connectors, or a fault at either redundancy module can interrupt optical communication.