T Figure 5-36 Channel Problem Determination: display This window verifies that the CHPID is online and operating, and to what the CHPID (cable) is  connected. Continue to verify all other CF links that were defined and are online. Now that the Coupling Facility links are verified as connected and online, you can set up the  Server Time Protocol (STP) configuration.  With z14 ZR1, the STP or Manage System Time option on the HMC under Configuration  changed to a graphic user interface (GUI) format. For more information about the new GUI and how to set up the STP Coordinated Time  Network (CTN), see Chapter 8, “Preparing for Sysplex and configuring Server Time Protocol”  on page 159.  This section accesses the System (Sysplex) Time option under Single Object Operations for  CPC MUSCA to display and verify some information. 5.5.2 Server Time Protocol configuration 112  IBM z14 Model ZR1 Configuration Setup