diff --git a/sim_console.c b/sim_console.c
index 3ab9029e..f1fb5354 100644
--- a/sim_console.c
+++ b/sim_console.c
@@ -185,6 +185,8 @@ if (sim_con_tmxr.master == 0)                           /* not Telnet? done */
 if (tmxr_poll_conn (&sim_con_tmxr) >= 0)                /* poll connect */
     sim_con_ldsc.rcve = 1;                              /* rcv enabled */
 sim_activate_after(uptr, 1000000);                      /* check again in 1 second */
+if (sim_con_ldsc.xmte == 0)                             /* xmt disabled? */
+    tmxr_send_buffered_data (&sim_con_ldsc);            /* try to flush buffered data */
 return SCPE_OK;
 }
 
diff --git a/sim_tmxr.c b/sim_tmxr.c
index 0637489b..7da4b16a 100644
--- a/sim_tmxr.c
+++ b/sim_tmxr.c
@@ -850,6 +850,7 @@ if (lp->serport) {
         free (lp->serconfig);
         lp->serconfig = NULL;
         lp->cnms = 0;
+        lp->rcve = lp->xmte = 0;
         }
     else
         if (!lp->mp->modem_control) {                   /* serial connection? */
@@ -862,6 +863,7 @@ else                                                    /* Telnet connection */
     if (lp->conn) {
         sim_close_sock (lp->conn, 0);                   /* close socket */
         lp->conn = 0;
+        lp->rcve = lp->xmte = 0;
         }
 free(lp->ipad);
 lp->ipad = NULL;