diff --git a/bus.cpp b/bus.cpp
index ecbff8e..dff1b16 100644
--- a/bus.cpp
+++ b/bus.cpp
@@ -70,7 +70,10 @@ JsonDocument bus::serialize() const
 	if (rk05_)
 		j_out["rk05"]   = rk05_->serialize();
 
-	// TODO: tm11, dc11
+	if (dc11_)
+		j_out["dc11"]   = dc11_->serialize();
+
+	// TODO: tm11
 
 	return j_out;
 }
@@ -103,7 +106,10 @@ bus *bus::deserialize(const JsonDocument j, console *const cnsl, std::atomic_uin
 	if (j.containsKey("kw11-l"))
 		b->add_KW11_L(kw11_l::deserialize(j["kw11-l"], b, cnsl));
 
-	// TODO: tm11, dc11
+	if (j.containsKey("dc11"))
+		b->add_DC11(dc11::deserialize(j["dc11"], b));
+
+	// TODO: tm11
 
 	return b;
 }
diff --git a/comm.cpp b/comm.cpp
index 93d08d9..dc1f536 100644
--- a/comm.cpp
+++ b/comm.cpp
@@ -2,6 +2,7 @@
 // Released under MIT license
 
 #include "gen.h"
+#include <cassert>
 #include <cstring>
 
 #include "comm.h"
@@ -11,6 +12,9 @@
 #if defined(ESP32)
 #include "comm_esp32_hardwareserial.h"
 #endif
+#if IS_POSIX
+#include "comm_posix_tty.h"
+#endif
 #include "comm_tcp_socket_client.h"
 #include "comm_tcp_socket_server.h"
 #include "log.h"
@@ -53,6 +57,10 @@ comm *comm::deserialize(const JsonVariantConst j, bus *const b)
 #if defined(ARDUINO)
 	else if (type == "arduino")
                 d = comm_arduino::deserialize(j);
+#endif
+#if IS_POSIX
+	else if (type == "posix")
+                d = comm_posix_tty::deserialize(j);
 #endif
 	else {
 		DOLOG(warning, false, "comm::deserialize: \"%s\" not de-serialized", type.c_str());
diff --git a/comm_posix_tty.cpp b/comm_posix_tty.cpp
index ca8e610..86b62a6 100644
--- a/comm_posix_tty.cpp
+++ b/comm_posix_tty.cpp
@@ -132,3 +132,23 @@ void comm_posix_tty::send_data(const uint8_t *const in, const size_t n)
 		len -= rc;
 	}
 }
+
+JsonDocument comm_posix_tty::serialize() const
+{
+	JsonDocument j;
+
+	j["comm-backend-type"] = "posix";
+
+	j["device"]  = device;
+	j["bitrate"] = bitrate;
+
+	return j;
+}
+
+comm_posix_tty *comm_posix_tty::deserialize(const JsonVariantConst j)
+{
+	comm_posix_tty *r = new comm_posix_tty(j["device"].as<std::string>(), j["bitrate"].as<int>());
+	r->begin();  // TODO error-checking
+
+	return r;
+}
diff --git a/comm_posix_tty.h b/comm_posix_tty.h
index 2a01884..4c0d15f 100644
--- a/comm_posix_tty.h
+++ b/comm_posix_tty.h
@@ -18,6 +18,9 @@ public:
 
 	bool    begin() override;
 
+	JsonDocument serialize() const override;
+	static comm_posix_tty *deserialize(const JsonVariantConst j);
+
 	std::string get_identifier() const override { return device; }
 
 	bool    is_connected() override;