diff --git a/pytmtc/pyserver.py b/pytmtc/pyserver.py
index 88239d1..2abfde7 100755
--- a/pytmtc/pyserver.py
+++ b/pytmtc/pyserver.py
@@ -1,5 +1,6 @@
 #!/usr/bin/env python3
 import socket
+import json
 import abc
 import time
 import select
@@ -15,7 +16,7 @@ EXP_ID = 278
 EXP_APID = 1024 + EXP_ID
 EXP_PACKET_ID_TM = PacketId(PacketType.TM, True, EXP_APID)
 EXP_PACKET_ID_TC = PacketId(PacketType.TC, True, EXP_APID)
-OPSSAT_SERVER_PORT = 4096
+OPSSAT_DEFAULT_SERVER_PORT = 4096
 TMTC_SERVER_PORT = 4097
 LOG_LEVEL = logging.INFO
 
@@ -36,7 +37,17 @@ def main():
     )
     print("Starting OPS-SAT ground TMTC server")
     KILL_SIGNAL.clear()
-    ops_sat_thread = OpsSatServer()
+
+    ops_sat_server_port = OPSSAT_DEFAULT_SERVER_PORT
+    with open("tmtc_conf.json") as cfg_file:
+        # Load JSON data
+        data = json.loads(cfg_file.read())
+        # Access the value of the tcpip_tcp_server_port key
+        maybe_ops_sat_server_port = data.get("tcpip_tcp_server_port")
+        if maybe_ops_sat_server_port is not None:
+            ops_sat_server_port = maybe_ops_sat_server_port
+    _LOGGER.info(f"creating OPS-SAT server on port {ops_sat_server_port}")
+    ops_sat_thread = OpsSatServer(ops_sat_server_port)
     ops_sat_thread.start()
     tmtc_thread = TmtcServer()
     tmtc_thread.start()
@@ -142,8 +153,9 @@ class BaseServer(Thread):
 
 
 class OpsSatServer(BaseServer):
-    def __init__(self):
-        super().__init__("[OPS-SAT]", OPSSAT_SERVER_PORT)
+    def __init__(self, port: int):
+        self.port = port
+        super().__init__("[OPS-SAT]", port)
 
     def handle_read_bytestream(self, analysis_deque: deque):
         parsed_packets = parse_space_packets(analysis_deque, [EXP_PACKET_ID_TM])
diff --git a/src/interface/tcp_spp_client.rs b/src/interface/tcp_spp_client.rs
index d8b2293..3259fe1 100644
--- a/src/interface/tcp_spp_client.rs
+++ b/src/interface/tcp_spp_client.rs
@@ -145,6 +145,16 @@ impl TcpSppClientStd {
     }
 
     pub fn operation(&mut self) -> Result<ClientResult, ClientError> {
+        let result = self.operation_inner();
+        if let Ok(client_result) = &result {
+            if *client_result != ClientResult::Ok {
+                std::thread::sleep(self.read_and_idle_delay);
+            }
+        }
+        result
+    }
+
+    fn operation_inner(&mut self) -> Result<ClientResult, ClientError> {
         if let Some(client) = &mut self.stream {
             // Write TM first before blocking on the read call.
             self.common.write_to_server(client)?;
diff --git a/src/main.rs b/src/main.rs
index 96e2835..2396d90 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -24,10 +24,7 @@ use satrs::{
     pus::event_man::EventRequestWithToken,
 };
 
-use crate::{
-    controller::ControllerPathCollection, interface::tcp_spp_client::ClientResult,
-    tmtc::tm_sink::TmFunnelDynamic,
-};
+use crate::{controller::ControllerPathCollection, tmtc::tm_sink::TmFunnelDynamic};
 use crate::{controller::ExperimentController, pus::test::create_test_service};
 use crate::{
     events::EventHandler,
@@ -284,13 +281,7 @@ fn main() {
             info!("Running TCP SPP client");
             loop {
                 match tcp_spp_client.operation() {
-                    Ok(result) => {
-                        // If the client connection was processed regularly, the read timeout takes
-                        // care of the sleep time.
-                        if result != ClientResult::Ok {
-                            std::thread::sleep(STOP_CHECK_FREQUENCY);
-                        }
-                    }
+                    Ok(_result) => (),
                     Err(e) => {
                         log::error!("TCP SPP client error: {}", e);
                     }