DS2141A, DS2142, DS2151, DS2153 Per-Channel Loopback

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要約

Application note 314 provides the design requirements for implementing a per-channel loopback application using the Dallas Semiconductor/Maxim DS2141A, DS2142, DS2151, or DS2153.

With Elastic Store Disabled DS2141A/DS2143/DS2151/DS2153

Figure 1.

Figure 1.

With Elastic Store Disabled DS2141A/DS2143/DS2151/DS2153

Figure 2.

Figure 2.

Notes:

  1. The TCHBLK signal is used to control a 2:1 multiplexer which will select which channels (if any) are to be lopped back to the network.
  2. In DS2151 and DS2153 applications, the line interface is included onboard the devices.