diff --git a/rtlplayground.c b/rtlplayground.c
index 0bc5f27..fe2b2cf 100644
--- a/rtlplayground.c
+++ b/rtlplayground.c
@@ -950,7 +950,7 @@ void handle_sfp(void)
 		sfp_pins_last |= 0x02;
 		print_string("\n<SFP-RX LOS>\n");
 	}
-
+#if NSFP == 2
 	reg_read_m(RTL837X_REG_GPIO_32_63_INPUT);
 	if ((sfp_pins_last & 0x10) && (!(sfr_data[1] & 0x04))) {
 		sfp_pins_last &= ~0x10;
@@ -969,6 +969,17 @@ void handle_sfp(void)
 		sfp_pins_last |= 0x10;
 		print_string("\n<MODULE 2 REMOVED>\n");
 	}
+
+	reg_read_m(RTL837X_REG_GPIO_00_31_INPUT);
+	if ((sfp_pins_last & 0x20) && (!(sfr_data[2] & 0x08))) {
+		sfp_pins_last &= ~0x20;
+		print_string("\n<SFP2-RX OK>\n");
+	}
+	if ((!(sfp_pins_last & 0x20)) && (sfr_data[2] & 0x08)) {
+		sfp_pins_last |= 0x20;
+		print_string("\n<SFP2-RX LOS>\n");
+	}
+#endif
 }
 
 
@@ -1021,7 +1032,7 @@ void idle(void)
 		print_byte(sfr_data[2]); print_byte(sfr_data[3]);
 		print_string(", was ");
 		print_byte(linkbits_last_p89); print_byte(linkbits_last[0]); print_byte(linkbits_last[1]);
-		print_byte(linkbits_last[2]); print_byte(linkbits_last[3]); 
+		print_byte(linkbits_last[2]); print_byte(linkbits_last[3]);
 		print_string(">\n");
 		linkbits_last_p89 = linkbits_p89;
 		if (!isRTL8373 && nSFPPorts != 2) {