Figure F-6 shows how to connect your power supply to an Agilent 59510A or 59511A Relay Accessory when the digital port is configured for relay link operation. An error will be generated if you attempt to program the relay box without first configuring the digital port for relay link operation . For more information about programming the relay, refer to OUTP:REL[:STAT] in Chapter 7. For more information about the Relay Accessory, refer to its manual (see Table 1-4).