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Cisco IRM-NIM-RS232 8-Port RS-232 Serial NIM for Catalyst IR8340 Rugged Router

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$ 2,869.53


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Cisco IRM-NIM-RS232 8-Port RS-232 Serial NIM for Catalyst IR8340 Rugged Router

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Cisco IRM-NIM-RS232= 8-port RS-232 serial Network Interface Module for the Catalyst IR8340 Rugged Series Router. Fits one of the IR8340's 2 NIM slots, rated 5.5 W. Cable options CAB-HD4-232MT, CAB-HD4-232FC, CAB-QUAD-ASYNC-M, CAB-QUAD-ASYNC-F and CAB-9AS-M. For serial RTUs, IEDs and controllers in substations and rail sites. Genuine Cisco from ARC IP Networks, a Cisco Registered Partner.

$ 2,869.53 2869.53 AUD $ 2,869.53 incl. GST

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Cisco IRM-NIM-RS232 at a glance

The Cisco IRM-NIM-RS232 is an 8-port RS-232 serial Network Interface Module for the Catalyst IR8340 Rugged Series Router, drawing 5.5 W. It fits one of the router's two NIM slots and connects serial devices with Cisco cable options such as CAB-HD4-232MT and CAB-QUAD-ASYNC.

ARC IP Networks is a Cisco Registered Partner in Australia. We supply the genuine Cisco IRM-NIM-RS232 through Cisco's authorised Australian distribution, with a GST tax invoice on every order.

Ports8 x RS-232
FitsIR8340 NIM slot
Power5.5 W
CablesHD4 / QUAD-ASYNC / 9AS

Best for

  • Connecting legacy serial RTUs and IEDs in substations
  • Serial-to-IP migration on IR8340 routers
  • Rail and roadway sites with RS-232 equipment

Key features

8-port RS-232 serial Network Interface Module.

Fits a NIM slot on the Catalyst IR8340 (2 NIM slots per router).

Rated at 5.5 W.

Cable options CAB-HD4-232MT, CAB-HD4-232FC, CAB-QUAD-ASYNC-M, CAB-QUAD-ASYNC-F and CAB-9AS-M.

IR8340 is certified to IEC 61850-3 and IEEE 1613 for substations.

IR8340 operates from -40 to +60 °C continuous.

Cisco IRM-NIM-RS232 specifications

Cisco IRM-NIM-RS232 technical specifications
SpecificationValue
Interfaces
Ports8 x RS-232 serial
CablesCAB-HD4-232MT, CAB-HD4-232FC, CAB-QUAD-ASYNC-M, CAB-QUAD-ASYNC-F, CAB-9AS-M
Platform
RouterCatalyst IR8340 (IR8300 Rugged Series)
SlotNIM (2 per router)
Power
Power5.5 W

Figures from Cisco's official data sheet.

The Cisco IRM-NIM-RS232 in depth

Serial ports for the IR8340

The IRM-NIM-RS232 adds eight RS-232 serial ports to an IR8340 router through one of its two NIM slots, so serial RTUs, IEDs and controllers can join the routed network.

Cabling

Cisco lists several cable options, from HD4 breakout cables to QUAD-ASYNC and 9-pin cables, to suit the serial devices on site.

Frequently asked questions

Straight answers about the Cisco IRM-NIM-RS232 from the ARC IP Networks team. Last reviewed October 2026.

Eight RS-232 serial ports in a Network Interface Module for the Catalyst IR8340.

The IR8340 has 2 NIM slots.

Cisco lists CAB-HD4-232MT, CAB-HD4-232FC, CAB-QUAD-ASYNC-M, CAB-QUAD-ASYNC-F and CAB-9AS-M.

5.5 W.

The IR8340 platform carries a Cisco 1-year limited hardware warranty.

ARC IP Networks is a Cisco Registered Partner and supplies the genuine Cisco IRM-NIM-RS232 through Cisco's authorised Australian distribution, with a GST tax invoice.

Explore the full Cisco range: Cisco Australia hub · Shop all Cisco

Buy the Cisco IRM-NIM-RS232 in Australia

ARC IP Networks is a Cisco Registered Partner, supplying Cisco switching, wireless, collaboration and security products to businesses, schools and integrators across Australia.

  • Genuine Cisco: sourced through Cisco's authorised Australian distribution, never grey import.
  • Australia-wide delivery, with Australian power where a power supply is included.
  • Manufacturer's warranty and local pre-sales help choosing the right model and licence.
  • GST tax invoice on every order, with trade and project pricing available.

Planning a Cisco network?

Ask ARC IP Networks for project pricing or a configured quote, or call us to check the right Cisco model and licence for your site.

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Accurate Shipping Costs

Our online shipping calculator is designed to provide a final, accurate shipping cost based on the items in your cart and your delivery postcode. Shipping costs are calculated at checkout based on your order and delivery postcode. The final cost is calculated based on several factors which are automatically accounted for by our system, including:

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Delivery Times


 

Standard Processing


Most orders placed by 2pm AEDT are dispatched for next working day delivery. Larger orders may require 1-2 additional business days for processing. If timing is critical, please contact us to discuss expedited options (additional charges may apply).


Delivery Timeframes


Region

Processing Time

Express Delivery

Standard Delivery

VIC, NSW, SA, QLD Metro, TAS

1-2 business days

1-2 business days

2-4 business days

NT, WA, QLD Rural

1-2 business days

1-2 business days

3-5 business days

New Zealand

1-2 business days

2-3 business days

4-10 business days

Please note: Processing times may extend during peak periods such as Christmas and end of financial year.

Free Warehouse Pickup



Save on shipping costs with free pickup from our ARC IP Networks Blackburn warehouse. Simply place your order online or by phone, and collect during business hours (Monday to Friday). Please allow time for picking and packing. For urgent orders, call 1300 100 440 to confirm your order is ready.

ARC IP Networks Pickup Address: 6 George Street, Blackburn, VIC 3130


Insurance & Tracking



All ARC IP Networks shipments are fully insured and trackable. Once dispatched, you'll receive an email with your tracking number and courier website details. If your item is confirmed lost or damaged by our courier, we'll arrange a replacement in consultation with you.


International Shipping



ARC IP Networks ships to New Zealand. Please note:


  • Import duties and taxes vary by country
  • Buyers are responsible for all customs charges
  • Contact your local customs authority before ordering
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  • Buyers cover all shipping costs for returns due to refused duties/taxes


Delivery Requirements


Signature Required


All deliveries must be signed for. If you won't be home, contact our Sales Support team to arrange Authority to Leave. Important: Authority to Leave voids shipping insurance if parcels are lost or stolen.


Delivery Restrictions


We do not deliver to PO Boxes or Parcel Lockers as our couriers cannot access them. Orders sent to these addresses will be returned, incurring redelivery fees.


Shipping Issue Resolution


ARC IP Networks works closely with our shipping partners to resolve any delivery issues quickly and fairly:


  1. Confirmation: We verify expected delivery dates with our shipping partners
  2. Investigation: Issues outside normal timeframes trigger formal investigations
  3. Communication: We keep you updated throughout the resolution process
  4. Resolution: Confirmed lost items are replaced or refunded after investigation completion


Please note: Refunds for lost, missing, or delayed orders cannot be processed until shipping partner investigations are complete. This does not affect your rights under the Australian Consumer Law, and refunds or replacements will be provided where required once loss or damage is confirmed.

Warranty & Faulty Products

ARC IP Networks complies with the Australian Consumer Law (ACL).

If a product is faulty, damaged, not of acceptable quality, or does not perform as advertised, you are entitled to a repair, replacement, or refund in accordance with ACL.

Manufacturer Warranty Returns

For faults developing after 14 days within the warranty period:

  • Contact ARC IP Networks first at info@arcip.com.au or 1300 100 440
  • We will assess the issue and coordinate with manufacturers, authorised service centres, or distributors on your behalf
  • Where required, a manufacturer RMA may be arranged
  • ARC IP Networks manages the return process and next steps

Dead on Arrival (DOA)

Products that arrive faulty or damaged must be reported within 14 days of delivery.

ARC IP Networks will arrange assessment, replacement, or refund as appropriate.

Change of Mind & Non-Faulty Returns

Change-of-mind returns must be requested within 14 days of delivery. For change-of-mind returns, the product must be unused, unopened, in its original packaging, and returned with all accessories and documentation. These conditions apply only to change-of-mind returns and do not limit or exclude your rights under the Australian Consumer Law. Some products are not eligible for change-of-mind returns, including:

  • Ex-demo products
  • Clearance or markdown items
  • Special-order items
  • Products clearly marked “No Change-of-Mind Returns”

Important

This does not affect your rights under Australian Consumer Law.

If a product is faulty, not of acceptable quality, or does not meet advertised specifications, it remains eligible for return regardless of category.

Refunds & Processing Timeframes

  • Approved refunds are processed within 7 business days of receiving returned goods
  • Refunds are issued to the original payment method, unless otherwise agreed
  • Replacement or repair may be offered where appropriate
  • Store credit may be offered only with customer consent

Handling fees and non-returnable service charges may not be refundable where permitted by law.


Restocking Fees

For approved change-of-mind or non-faulty returns, a 15% restocking fee applies.

  • Any applicable restocking fee will be clearly communicated prior to return approval
  • The fee will be deducted from the refund amount
  • Restocking fees do not apply to returns made under the Australian Consumer Law, including faulty, damaged, or misrepresented goods.

Return Shipping Costs

  • Change-of-mind returns: The customer is responsible for return shipping costs.
  • Faulty or defective products: ARC IP Networks covers return shipping under Australian Consumer Law.

Non-Warranty Repairs

For issues not covered by warranty:

  • ARC IP Networks will provide a quote before proceeding
  • Customers are responsible for all shipping and service costs
  • No repairs are undertaken without customer approval

Return Methods

Returns may be made:

  • In-store at ARC IP Networks – 6 George Street, Blackburn VIC 3130
  • Or by shipment as instructed by our support team

Proof of purchase is required for all returns.

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