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Applies to versions: 1.8, 1.9, 1.10, 1.11

Dial-up Hardware options

TimeIPS clock stations always connect and communicate with Ethernet networking.  In cases where clocks are located at remote locations without network access, is may be possible to establish a network via dial-up networking if you have the following:

  • A dial-up Internet account with an ISP
  • A router with dial-on-demand support and an external serial hardware modem (hard to find in 2012 or later)
    or, a computer/laptop with a dial-up modem and Internet Connection Sharing turned on in the operating system
  • A static Internet-accessible IP for your TimeIPS Server with port forwarding enabled at your firewall/router

You will need a standard Internet dial-up account. Here is a list of just a few ISP that may offer this service in your area. TimeIPS does not endorse any of the providers but offers these links for your convenience. The internet provider must support a PPP connection (some dial-up services, such as AOL, require a proprietary dialer and will not work).


For IPS120T and IPS125T Network clocks:

Use an old computer or laptop with a dial-up modem. Turn Internet connection sharing on (available in Windows 98SE or later)  and select the option to dial-on-demand.  Plug the network clock into the laptop's wired network port.

-- or --

Use a router that can dial-on-demand and a hardware modem. Note, dial-up hardware is obsolete and becoming very hard or impossible to purchase as of 2012. If you have or can find such hardware, for example:

  • ZyXEL - ZyWall 2 Plus
  • Trendnet-tfm-560X modem

  1. Connect the router and modem with a serial modem cable.
  2. Connect the TimeIPS Network clock to one of the network ports on the router.
  3. Connect the telephone line to the modem.
  4. For configuration, connect a computer to a network port on the router.  Configure the router with your ISP's access information and verify that the computer can access the Internet.  Turn on dial-on-demand in the router so it will connect to the Internet whenever the clock needs access.
  5. Configure the TimeIPS network clock to always operate in offline mode and check in with the server every hour or two.


For a IPS200T class system:

There are two options for hardware.

option 1: Use the serial port with a hardware modem and the TimeIPS built-in modem support. Such as:

  • Trendnet-tfm-560X hardware modem

For this option, configure dial-up access within the TimeIPS system following the options on the networking page.

Option 2: Use a router that can dial-on-demand and a hardware modem. Such as:

  • ZyXEL - ZyWall 2 Plus
  • Trendnet-tfm-560X modem

Configure as described above for IPS120T/125T network clocks.

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