IS Local FAQ

Listed below are the most frequently asked questions for the IS Local Series. If you are unable to find the information you are looking for please contact our Technical Support team.



How many stations can the IS Local Series support?
The IS Series Local System supports up to 20 master stations, 20 door stations, and 120 room/sub stations, requiring at least one IS-CCU (Central Control Unit) and an additional IS-SCU or IS-RCU, depeding on the configuration.

To view a list of all IS Local Series stations, click here.

Is the IS Series compatible with other Aiphone Intercoms?
IS Series stations are not compatible with other intercom stations from Aiphone. All compatible door and sub stations must contain the prefix of “IS”, ex IS-DV

Is the IS Local Series Network-Based? Is it compatible with the IS-IP Series Stations?
IS Series has three iterations:

  • IS Local:The IS Series Local System requires at least on IS-CCU for IS stations to connect to, and these stations are not network-based.
  • IS IP:The IS IP Series is a network-based version of the IS Series which utilizes a network to communicate, relying on one of the stations to act as the Host of the system.
  • IS Hybrid:The IS Series Hybrid System uses the IS-IPC to allow IS Local and IS IP stations to communicate as part of the same system.

IS Local Series Wiring Distances
Each IS Series has a maximum wiring distance of 980’(490′ for the IS-RS) from the exchange unit (IS-CCU/SCU/RCU) it is connected to.

IS Series exchange units (IS-CCU/SCU/RCU) have a maximum wiring distance of 650’ from the exchange unit they are connected to.

For more information about wire types and distances, refer to the IS Series Local System installation manual.

What power supply do I need for my door strike or magnetic lock?
For that information you need to call the manufacturer of the door strike or magnetic lock. Aiphone cannot answer that question and cannot provide you with an acceptable alternative.

Error: “You are already logged in”.
This error occurs when the browser restarts or closes without properly signing out of the IS-CCU. To resolve this error power cycle the IS-CCU you are atempting to log into and try again.

Configuring the Speed Dial Buttons on the IS-MV.
The speed dial buttons on the IS-MV can be programmed to do the following:

  • Call a specific Master Station from the address book
  • Call a specific Door Station from the address book
  • Call a zone
  • Initiate a Page to all stations or to a zone

Note: The speed dial buttons on the IS-MV cannot be programmed to release a door, activate a contact input, or activate a contact output. Click here for instructions on configuring the speed dial buttons.

IS Series Cat-5e/6 cable pinout.
Each pair in the CAT-5 cable carries different signals. This is the TIA/EIA 568B Wiring Standard:

  • Pair 1, pins 4,5 (Blue/Blu-Wht): Audio Signal
  • Pair 2, pins 1,2 (Org-Wht/Org): Data Signal
  • Pair 3, pins 3,6 (Grn-Wht/Grn): Video Signal
  • Pair 4, pins 7,8 (Brn-Wht/Brn): Power (7 = Negative, 8 = Positive)

IS Local Series MP3 requirements used for chimes and bells.
The MP3 must meet the following requirements to be compatible with the IS-CCU.

  • 64kbps
  • 44.1 kHz
  • mono
  • Max size = 2.5Mb
  • Remove any IDV2 or IDV3 tags You can load a maximum of 15 files.

Note: You can create a maximum of 20 sound sequence files.

No Video on Stations Connected to the IS-SCU.
The Connection Check on the Control Unit Composition page and the Registering Stations pages is only intended to verify the physical presence and type of the units. It does not verify the presence, correct connection, or integrity of the #MX2, or #MX3 cables, which are nonetheless still necessary for the equipment to function successfully. Both the #MX2 and #MX3 connections between the IS-SCU and IS-CCU are required for full functionality of the stations.

A Newly added door station beeps 3 times when attempting to place a call.
A newly added station must be configured in the IS-CCU and and have a call destination assigned. For steps on adding a new station to an existing IS Series system, click here.