diff --git a/satrs-example/src/eps/pcdu.rs b/satrs-example/src/eps/pcdu.rs
index a18b114..17657c6 100644
--- a/satrs-example/src/eps/pcdu.rs
+++ b/satrs-example/src/eps/pcdu.rs
@@ -8,13 +8,14 @@ use derive_new::new;
 use satrs::{
     hk::{HkRequest, HkRequestVariant},
     mode::{ModeAndSubmode, ModeError, ModeProvider, ModeReply, ModeRequestHandler},
+    power::{SwitchRequest, SwitchStateBinary},
     pus::EcssTmSender,
     queue::{GenericSendError, GenericTargetedMessagingError},
     request::{GenericMessage, MessageMetadata, UniqueApidTargetId},
 };
 use satrs_example::{config::components::PUS_MODE_SERVICE, DeviceMode, TimestampHelper};
 use satrs_minisim::{
-    eps::{PcduReply, PcduRequest, SwitchMap, SwitchMapBinaryWrapper},
+    eps::{PcduReply, PcduRequest, PcduSwitch, SwitchMap, SwitchMapBinary, SwitchMapBinaryWrapper},
     SerializableSimMsgPayload, SimReply, SimRequest,
 };
 
@@ -177,6 +178,7 @@ pub struct PcduHandler<ComInterface: SerialInterface, TmSender: EcssTmSender> {
     mode_interface: MpscModeLeafInterface,
     composite_request_rx: mpsc::Receiver<GenericMessage<CompositeRequest>>,
     hk_reply_tx: mpsc::Sender<GenericMessage<HkReply>>,
+    switch_request_rx: mpsc::Receiver<GenericMessage<SwitchRequest>>,
     tm_sender: TmSender,
     pub com_interface: ComInterface,
     shared_switch_map: Arc<Mutex<SwitchSet>>,
@@ -194,8 +196,12 @@ impl<ComInterface: SerialInterface, TmSender: EcssTmSender> PcduHandler<ComInter
                 // Handle requests.
                 self.handle_composite_requests();
                 self.handle_mode_requests();
-                // Poll the switch states and telemetry regularly here.
-                if self.mode() == DeviceMode::Normal as u32 {}
+                self.handle_switch_requests();
+                // Poll the switch states and/or telemetry regularly here.
+                if self.mode() == DeviceMode::Normal as u32 || self.mode() == DeviceMode::On as u32
+                {
+                    self.handle_periodic_commands();
+                }
             }
             OpCode::PollAndRecvReplies => {
                 self.poll_and_handle_replies();
@@ -239,6 +245,14 @@ impl<ComInterface: SerialInterface, TmSender: EcssTmSender> PcduHandler<ComInter
         }
     }
 
+    pub fn handle_periodic_commands(&self) {
+        let pcdu_req = PcduRequest::RequestSwitchInfo;
+        let pcdu_req_ser = serde_json::to_string(&pcdu_req).unwrap();
+        if let Err(_e) = self.com_interface.send(pcdu_req_ser.as_bytes()) {
+            log::warn!("polling PCDU switch info failed");
+        }
+    }
+
     pub fn handle_mode_requests(&mut self) {
         loop {
             // TODO: Only allow one set mode request per cycle?
@@ -265,6 +279,28 @@ impl<ComInterface: SerialInterface, TmSender: EcssTmSender> PcduHandler<ComInter
         }
     }
 
+    pub fn handle_switch_requests(&mut self) {
+        loop {
+            match self.switch_request_rx.try_recv() {
+                Ok(switch_req) => match PcduSwitch::try_from(switch_req.message.switch_id()) {
+                    Ok(pcdu_switch) => {
+                        let pcdu_req = PcduRequest::SwitchDevice {
+                            switch: pcdu_switch,
+                            state: switch_req.message.target_state(),
+                        };
+                        let pcdu_req_ser = serde_json::to_string(&pcdu_req).unwrap();
+                        self.com_interface.send(pcdu_req_ser.as_bytes())
+                    }
+                    Err(e) => todo!("failed to convert switch ID {:?} to typed PCDU switch", e),
+                },
+                Err(e) => match e {
+                    mpsc::TryRecvError::Empty => todo!(),
+                    mpsc::TryRecvError::Disconnected => todo!(),
+                },
+            };
+        }
+    }
+
     pub fn poll_and_handle_replies(&mut self) {}
 }
 
diff --git a/satrs-example/src/main.rs b/satrs-example/src/main.rs
index bc8a124..2db7872 100644
--- a/satrs-example/src/main.rs
+++ b/satrs-example/src/main.rs
@@ -223,6 +223,8 @@ fn static_tmtc_pool_main() {
         mpsc::channel();
 
     let shared_switch_set = Arc::default();
+    let (switch_request_tx, switch_request_rx) = mpsc::sync_channel(20);
+
     let shared_mgm_set = Arc::default();
     let mgm_mode_leaf_interface = MpscModeLeafInterface {
         request_rx: mgm_handler_mode_rx,
@@ -272,6 +274,7 @@ fn static_tmtc_pool_main() {
         pcdu_mode_leaf_interface,
         pcdu_handler_composite_rx,
         pus_hk_reply_tx,
+        switch_request_rx,
         tm_sink_tx,
         pcdu_serial_interface,
         shared_switch_set,
diff --git a/satrs-minisim/Cargo.toml b/satrs-minisim/Cargo.toml
index 0e8b18c..771ffaa 100644
--- a/satrs-minisim/Cargo.toml
+++ b/satrs-minisim/Cargo.toml
@@ -12,6 +12,7 @@ log = "0.4"
 thiserror = "1"
 fern = "0.5"
 strum = { version = "0.26", features = ["derive"] }
+num_enum = "0.7"
 humantime = "2"
 
 [dependencies.asynchronix]
diff --git a/satrs-minisim/src/lib.rs b/satrs-minisim/src/lib.rs
index 35ddd97..eb1b420 100644
--- a/satrs-minisim/src/lib.rs
+++ b/satrs-minisim/src/lib.rs
@@ -1,4 +1,5 @@
 use asynchronix::time::MonotonicTime;
+use num_enum::{IntoPrimitive, TryFromPrimitive};
 use serde::{de::DeserializeOwned, Deserialize, Serialize};
 
 #[derive(Debug, Copy, Clone, PartialEq, Eq, Serialize, Deserialize, Hash)]
@@ -170,7 +171,20 @@ pub mod eps {
     pub struct SwitchMapWrapper(pub SwitchMap);
     pub struct SwitchMapBinaryWrapper(pub SwitchMapBinary);
 
-    #[derive(Debug, Copy, Clone, PartialEq, Eq, Serialize, Deserialize, Hash, EnumIter)]
+    #[derive(
+        Debug,
+        Copy,
+        Clone,
+        PartialEq,
+        Eq,
+        Serialize,
+        Deserialize,
+        Hash,
+        EnumIter,
+        IntoPrimitive,
+        TryFromPrimitive,
+    )]
+    #[repr(u16)]
     pub enum PcduSwitch {
         Mgm = 0,
         Mgt = 1,