diff --git a/coordinator/backplane.lua b/coordinator/backplane.lua
index af04d20..8526537 100644
--- a/coordinator/backplane.lua
+++ b/coordinator/backplane.lua
@@ -372,9 +372,7 @@ function backplane.detach(type, device, iface)
     if type == "modem" then
         ---@cast device Modem
 
-        local m_is_wl = device.isWireless()
-
-        log.info(util.c("BKPLN: ", util.trinary(m_is_wl, "WIRELESS", "WIRED"), " PHY_DETACH ", iface))
+        log.info(util.c("BKPLN: PHY_DETACH ", iface))
 
         if wd_nic and wd_nic.is_modem(device) then
             wd_nic.disconnect()
@@ -428,7 +426,11 @@ function backplane.detach(type, device, iface)
             else
                 -- wired active disconnected, wireless unavailable
             end
-        elseif _bp.wl_nic and m_is_wl then
+        elseif wd_nic and wd_nic.is_modem(device) then
+            -- wired, but not active
+            log_sys("standby wired modem disconnected")
+            log.info("BKPLN: standby wired modem disconnected")
+        elseif wl_nic and wl_nic.is_modem(device) then
             -- wireless, but not active
             log_sys("standby wireless modem disconnected")
             log.info("BKPLN: standby wireless modem disconnected")
diff --git a/reactor-plc/backplane.lua b/reactor-plc/backplane.lua
index ecc15eb..07fd967 100644
--- a/reactor-plc/backplane.lua
+++ b/reactor-plc/backplane.lua
@@ -249,9 +249,7 @@ function backplane.detach(iface, type, device, print_no_fp)
     elseif _bp.smem.networked and type == "modem" then
         ---@cast device Modem
 
-        local m_is_wl = device.isWireless()
-
-        log.info(util.c("BKPLN: ", util.trinary(m_is_wl, "WIRELESS", "WIRED"), " PHY_DETACH ", iface))
+        log.info(util.c("BKPLN: PHY_DETACH ", iface))
 
         if wd_nic and wd_nic.is_modem(device) then
             wd_nic.disconnect()
@@ -304,14 +302,14 @@ function backplane.detach(iface, type, device, print_no_fp)
                 state.degraded = true
                 _bp.smem.q.mq_rps.push_command(MQ__RPS_CMD.DEGRADED_SCRAM)
             end
-        elseif wl_nic and m_is_wl then
-            -- wireless, but not active
-            print_no_fp("standby wireless modem disconnected")
-            log.info("BKPLN: standby wireless modem disconnected")
         elseif wd_nic and wd_nic.is_modem(device) then
             -- wired, but not active
             print_no_fp("standby wired modem disconnected")
             log.info("BKPLN: standby wired modem disconnected")
+        elseif wl_nic and wl_nic.is_modem(device) then
+            -- wireless, but not active
+            print_no_fp("standby wireless modem disconnected")
+            log.info("BKPLN: standby wireless modem disconnected")
         else
             print_no_fp("unassigned modem disconnected")
             log.warning("BKPLN: unassigned modem disconnected")
diff --git a/rtu/backplane.lua b/rtu/backplane.lua
index 92289b5..0027579 100644
--- a/rtu/backplane.lua
+++ b/rtu/backplane.lua
@@ -190,9 +190,7 @@ function backplane.detach(type, device, iface, print_no_fp)
     if type == "modem" then
         ---@cast device Modem
 
-        local m_is_wl = device.isWireless()
-
-        log.info(util.c("BKPLN: ", util.trinary(m_is_wl, "WIRELESS", "WIRED"), " PHY_DETACH ", iface))
+        log.info(util.c("BKPLN: PHY_DETACH ", iface))
 
         if wd_nic and wd_nic.is_modem(device) then
             wd_nic.disconnect()
@@ -239,14 +237,14 @@ function backplane.detach(type, device, iface, print_no_fp)
             else
                 -- wired active disconnected, wireless unavailable
             end
-        elseif _bp.wl_nic and m_is_wl then
-            -- wireless, but not active
-            print_no_fp("standby wireless modem disconnected")
-            log.info("BKPLN: standby wireless modem disconnected")
         elseif wd_nic and wd_nic.is_modem(device) then
             -- wired, but not active
             print_no_fp("standby wired modem disconnected")
             log.info("BKPLN: standby wired modem disconnected")
+        elseif wl_nic and wl_nic.is_modem(device) then
+            -- wireless, but not active
+            print_no_fp("standby wireless modem disconnected")
+            log.info("BKPLN: standby wireless modem disconnected")
         else
             print_no_fp("unassigned modem disconnected")
             log.warning("BKPLN: unassigned modem disconnected")
diff --git a/supervisor/backplane.lua b/supervisor/backplane.lua
index 58cd55b..c88508b 100644
--- a/supervisor/backplane.lua
+++ b/supervisor/backplane.lua
@@ -129,9 +129,7 @@ function backplane.detach(iface, type, device, print_no_fp)
     if type == "modem" then
         ---@cast device Modem
 
-        local m_is_wl = device.isWireless()
-
-        log.info(util.c("BKPLN: ", util.trinary(m_is_wl, "WIRELESS", "WIRED"), " PHY_DETACH ", iface))
+        log.info(util.c("BKPLN: PHY_DETACH ", iface))
 
         _bp.nic_map[iface] = nil
 
@@ -159,10 +157,6 @@ function backplane.detach(iface, type, device, print_no_fp)
             else
                 databus.tx_hw_wl_modem(false)
             end
-        elseif _bp.wl_nic and m_is_wl then
-            -- wireless, but not active
-            print_no_fp("standby wireless modem disconnected")
-            log.info("BKPLN: standby wireless modem disconnected")
         else
             print_no_fp("unassigned modem disconnected")
             log.warning("BKPLN: unassigned modem disconnected")