AB 1757-SRC1
AB 1757-SRC1
AB 1757-SRC1
AB 1757-SRC1
AB 1757-SRC1
AB 1757-SRC1
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1757-SRC1

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Allen-Bradley 1757-SRC1 is the 1 m keyed ST multimode-fiber cable for a short protected link between paired 1757-SRM modules.
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Technical specifications for 1757-SRC1

  • Manufacturer:
    Allen-Bradley
  • Part Number:
    1757-SRC1
  • Product Family:
    ControlLogix
  • Product Type:
    1 m Redundancy Module Fiber-Optic Cable
  • Stock:
    1
  • Cable Length:
    1 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:
    17 × 11 × 2 cm
  • Weight:
    0.02 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 1 m Selection Connector Sequence Fiber Protection Application
  • 1 m fiber-optic cable for communication between two 1757-SRM redundancy modules
  • Keyed ST-type connectors with 62.5/125 µm multimode optical fiber
  • One transmit-and-receive fiber channel with no electrical ground-isolation requirement

1757-SRC1 is an Allen-Bradley 1 m fiber-optic cable specified for communication between two 1757-SRM modules in a redundant chassis pair.

Rockwell Automation identifies it as the shortest cable in the documented 1757-SRC range, making it suitable when the complete protected route between the two modules fits within 1 m.

Before installation, verify both module endpoints, remove the protective plug and cable-end caps, seat the keyed connectors fully, and route the optical cable without sharp bends, cutting, traffic, or abrasion.

Availability, condition, price, and shipping time for 1757-SRC1 are confirmed during quotation.

Allen-Bradley 1757-SRC1 1 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-SRC1 as the 1 m cable option
  • The complete protected path between both 1757-SRM modules must fit within that length
  • Use another documented 1757-SRC length when the planned route cannot be completed safely within 1 m
  • Open the first 1757-SRM door and remove its black protective plug
  • Remove the protective caps from the cable ends before seating the keyed ST connectors
  • Connect both modules and close each redundancy-module door after the connector is seated
  • Avoid sharp bends because 1757-SRC1 contains optical fibers
  • Route the 1 m cable where it cannot be cut or run over
  • Reject or investigate any cable showing abrasion or other physical damage
  • Closely positioned redundant chassis pairs whose protected route fits the documented 1 m length
  • Exact-catalog replacement of an installed 1757-SRC1 redundancy cable
  • Single-channel optical communication between paired 1757-SRM modules
Description
1757-SRC1 is the 1 m Allen-Bradley fiber-optic cable specified for communication between two 1757-SRM redundancy modules.

It is the shortest cable length listed in Rockwell Automation publication 1757-IN014 and should be selected only when the complete protected route fits within 1 m without forcing a sharp bend.

Installation requires removing the module plug and cable-end caps, seating the keyed ST connectors at both modules, closing both module doors, and protecting the optical cable from cutting, traffic, abrasion, and other physical damage.
Alternative Names
1757-SRC1 Allen-Bradley 1757-SRC1 Rockwell Automation 1757-SRC1 AB 1757-SRC1 A-B 1757-SRC1 ProcessLogix 1757-SRC1
Technical notes
1757-SRC1 is the 1 m option in the Rockwell Automation redundancy-cable table. Confirm that the complete protected route fits this length before removing the connector caps; seat both keyed ST connectors fully and avoid 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.
Is 1757-SRC1 intended to connect two 1757-SRM modules?
Yes. Rockwell Automation identifies 1757-SRC1 as a redundancy module cable for communication between the two 1757-SRM modules in a redundant chassis pair.
How should 1757-SRC1 be selected instead of another 1757-SRC cable?
Select 1757-SRC1 when the documented 1 m length suits the chassis layout; do not substitute a different SRC length without checking the intended routing and bend protection.
Are the connectors on 1757-SRC1 keyed?
Yes. The official installation instructions state that the cable and module connectors are keyed, but both protective caps must still be removed before connection.
What routing risk matters most when installing 1757-SRC1?
The cable contains optical fibers, so avoid sharp bends and route it where it cannot be cut, run over, abraded, or otherwise damaged.
Does 1757-SRC1 replace an electrical redundancy cable?
No. 1757-SRC1 is a multimode fiber-optic cable with ST-type connectors and should be matched to the 1757-SRM optical redundancy interface.
What should be inspected before reusing 1757-SRC1?
Inspect both ST-type connectors, protective caps, cable jacket, and the full route for bends or abrasion, then verify communication between both redundancy modules.
Why can a connected 1757-SRC1 still produce a redundancy-link problem?
A damaged optical fiber, contaminated connector, incomplete seating, excessive bend, or a fault at either 1757-SRM endpoint can interrupt the redundancy link.