diff --git a/openbsc/include/openbsc/gsm_data.h b/openbsc/include/openbsc/gsm_data.h
index 86a872b..638b035 100644
--- a/openbsc/include/openbsc/gsm_data.h
+++ b/openbsc/include/openbsc/gsm_data.h
@@ -257,6 +257,9 @@
 		} bs11;
 	};
 	struct gsm_bts_trx_ts ts[TRX_NR_TS];
+
+	/* NM state */
+	int rf_locked;
 };
 
 enum gsm_bts_type {
@@ -518,4 +521,6 @@
 enum gsm_auth_policy gsm_auth_policy_parse(const char *arg);
 const char *gsm_auth_policy_name(enum gsm_auth_policy policy);
 
+void gsm_trx_lock_rf(struct gsm_bts_trx *trx, int locked);
+
 #endif
diff --git a/openbsc/src/abis_nm.c b/openbsc/src/abis_nm.c
index 4d4cec0..b1fe97d 100755
--- a/openbsc/src/abis_nm.c
+++ b/openbsc/src/abis_nm.c
@@ -2699,6 +2699,19 @@
 				     attr, attr_len);
 }
 
+void gsm_trx_lock_rf(struct gsm_bts_trx *trx, int locked)
+{
+	int new_state = locked ? NM_STATE_LOCKED : NM_STATE_UNLOCKED;
+
+	trx->rf_locked = locked;
+	if (!trx->bts || !trx->bts->oml_link)
+		return;
+
+	abis_nm_chg_adm_state(trx->bts, NM_OC_RADIO_CARRIER,
+			      trx->bts->bts_nr, trx->nr, 0xff,
+			      new_state);
+}
+
 static const char *ipacc_testres_names[] = {
 	[NM_IPACC_TESTRES_SUCCESS]	= "SUCCESS",
 	[NM_IPACC_TESTRES_TIMEOUT]	= "TIMEOUT",
diff --git a/openbsc/src/bsc_init.c b/openbsc/src/bsc_init.c
index 66d5606..153e024 100644
--- a/openbsc/src/bsc_init.c
+++ b/openbsc/src/bsc_init.c
@@ -420,7 +420,18 @@
 		/* TRX software is active, tell it to initiate RSL Link */
 		abis_nm_ipaccess_rsl_connect(trx, 0, 3003, trx->rsl_tei);
 		break;
-	case NM_OC_RADIO_CARRIER:
+	case NM_OC_RADIO_CARRIER: {
+		/*
+		 * Locking the radio carrier will make it go
+		 * offline again and we would come here. The
+		 * framework should determine that there was
+		 * no change and avoid recursion.
+		 *
+		 * This code is here to make sure that on start
+		 * a TRX remains locked.
+		 */
+		int rc_state = trx->rf_locked ?
+					NM_STATE_LOCKED : NM_STATE_UNLOCKED;
 		/* Patch ARFCN into radio attribute */
 		nanobts_attr_radio[5] &= 0xf0;
 		nanobts_attr_radio[5] |= trx->arfcn >> 8;
@@ -429,10 +440,11 @@
 				       sizeof(nanobts_attr_radio));
 		abis_nm_chg_adm_state(trx->bts, foh->obj_class,
 				      trx->bts->bts_nr, trx->nr, 0xff,
-				      NM_STATE_UNLOCKED);
+				      rc_state);
 		abis_nm_opstart(trx->bts, foh->obj_class, trx->bts->bts_nr,
 				trx->nr, 0xff);
 		break;
+		}
 	}
 	return 0;
 }
diff --git a/openbsc/src/gsm_data.c b/openbsc/src/gsm_data.c
index 69a9096..8212346 100644
--- a/openbsc/src/gsm_data.c
+++ b/openbsc/src/gsm_data.c
@@ -27,6 +27,7 @@
 
 #include <openbsc/gsm_data.h>
 #include <openbsc/talloc.h>
+#include <openbsc/abis_nm.h>
 
 void *tall_bsc_ctx;
 
diff --git a/openbsc/src/vty_interface.c b/openbsc/src/vty_interface.c
index f8bba2c..066dfd5 100644
--- a/openbsc/src/vty_interface.c
+++ b/openbsc/src/vty_interface.c
@@ -1200,6 +1200,17 @@
 	return CMD_SUCCESS;
 }
 
+DEFUN(cfg_trx_rf_locked,
+      cfg_trx_rf_locked_cmd,
+      "rf_locked (0|1)",
+      "Turn off RF of the TRX.\n")
+{
+	int locked = atoi(argv[0]);
+	struct gsm_bts_trx *trx = vty->index;
+
+	gsm_trx_lock_rf(trx, locked);
+	return CMD_SUCCESS;
+}
 
 /* per TS configuration */
 DEFUN(cfg_ts,
@@ -1321,6 +1332,7 @@
 	install_element(TRX_NODE, &cfg_trx_max_power_red_cmd);
 	install_element(TRX_NODE, &cfg_trx_rsl_e1_cmd);
 	install_element(TRX_NODE, &cfg_trx_rsl_e1_tei_cmd);
+	install_element(TRX_NODE, &cfg_trx_rf_locked_cmd);
 
 	install_element(TRX_NODE, &cfg_ts_cmd);
 	install_node(&ts_node, dummy_config_write);