diff --git a/coordinator/configure.lua b/coordinator/configure.lua
index d4c3bca..a6d63ca 100644
--- a/coordinator/configure.lua
+++ b/coordinator/configure.lua
@@ -36,7 +36,8 @@ local changes = {
     { "v1.2.12", { "Added main UI theme", "Added front panel UI theme", "Added color accessibility modes" } },
     { "v1.3.3", { "Added standard with black off state color mode", "Added blue indicator color modes" } },
     { "v1.5.1", { "Added energy scale options" } },
-    { "v1.6.13", { "Added option for Po/Pu pellet green/cyan pairing" } }
+    { "v1.6.13", { "Added option for Po/Pu pellet green/cyan pairing" } },
+    { "v1.7.0", { "Added support for wired communications modems" } }
 }
 
 ---@class crd_configurator
diff --git a/coordinator/coordinator.lua b/coordinator/coordinator.lua
index 18d75ff..2dc3468 100644
--- a/coordinator/coordinator.lua
+++ b/coordinator/coordinator.lua
@@ -193,7 +193,7 @@ function coordinator.comms(version, nic, wl_nic, sv_watchdog)
         apisessions.init(wl_nic, config)
     end
 
-    -- PRIVATE FUNCTIONS --
+    --#region PRIVATE FUNCTIONS --
 
     -- send a packet to the supervisor
     ---@param msg_type MGMT_TYPE|CRDN_TYPE
@@ -245,7 +245,9 @@ function coordinator.comms(version, nic, wl_nic, sv_watchdog)
         _send_sv(PROTOCOL.SCADA_MGMT, MGMT_TYPE.KEEP_ALIVE, { srv_time, util.time() })
     end
 
-    -- PUBLIC FUNCTIONS --
+    --#endregion
+
+    --#region PUBLIC FUNCTIONS --
 
     ---@class coord_comms
     local public = {}
@@ -734,6 +736,8 @@ function coordinator.comms(version, nic, wl_nic, sv_watchdog)
     ---@nodiscard
     function public.is_linked() return self.sv_linked end
 
+    --#endregion
+
     return public
 end
 
diff --git a/coordinator/iocontrol.lua b/coordinator/iocontrol.lua
index dd15b17..0b93302 100644
--- a/coordinator/iocontrol.lua
+++ b/coordinator/iocontrol.lua
@@ -290,11 +290,11 @@ end
 -- toggle heartbeat indicator
 function iocontrol.heartbeat() io.fp.ps.toggle("heartbeat") end
 
--- report presence of the wired modem
+-- report presence of the wired comms modem
 ---@param has_modem boolean
 function iocontrol.fp_has_wd_modem(has_modem) io.fp.ps.publish("has_wd_modem", has_modem) end
 
--- report presence of the wireless modem
+-- report presence of the wireless comms modem
 ---@param has_modem boolean
 function iocontrol.fp_has_wl_modem(has_modem) io.fp.ps.publish("has_wl_modem", has_modem) end
 
@@ -308,7 +308,7 @@ function iocontrol.fp_link_state(state) io.fp.ps.publish("link_state", state) en
 
 -- report monitor connection state
 ---@param id string|integer unit ID for unit monitor, "main" for main monitor, or "flow" for flow monitor
----@param connected 1|2|3 1 for disconnected, 2 for connected but no view (may not fit), 3 for connected with view shown
+---@param connected 1|2|3 1 for disconnected, 2 for connected but no view (may not fit), 3 for connected with view rendered
 function iocontrol.fp_monitor_state(id, connected)
     local name = nil
 
diff --git a/reactor-plc/configure.lua b/reactor-plc/configure.lua
index 4eb728d..b80a866 100644
--- a/reactor-plc/configure.lua
+++ b/reactor-plc/configure.lua
@@ -3,7 +3,7 @@
 --
 
 local log        = require("scada-common.log")
-local ppm         = require("scada-common.ppm")
+local ppm        = require("scada-common.ppm")
 local tcd        = require("scada-common.tcd")
 local util       = require("scada-common.util")
 
@@ -35,7 +35,7 @@ local changes = {
     { "v1.6.15", { "Added front panel UI theme", "Added color accessibility modes" } },
     { "v1.7.3", { "Added standard with black off state color mode", "Added blue indicator color modes" } },
     { "v1.8.21", { "Added option to invert emergency coolant redstone control" } },
-    { "v1.9.1", { "Added support for wired communications modems" } }
+    { "v1.10.0", { "Added support for wired communications modems" } }
 }
 
 ---@class plc_configurator
diff --git a/reactor-plc/databus.lua b/reactor-plc/databus.lua
index 52f74ad..9975dac 100644
--- a/reactor-plc/databus.lua
+++ b/reactor-plc/databus.lua
@@ -33,7 +33,7 @@ function databus.rps_scram() dbus_iface.rps_scram() end
 -- transmit a command to the RPS to reset
 function databus.rps_reset() dbus_iface.rps_reset() end
 
--- transmit firmware versions across the bus
+-- transmit firmware versions
 ---@param plc_v string PLC version
 ---@param comms_v string comms version
 function databus.tx_versions(plc_v, comms_v)
@@ -41,13 +41,13 @@ function databus.tx_versions(plc_v, comms_v)
     databus.ps.publish("comms_version", comms_v)
 end
 
--- transmit unit ID across the bus
+-- transmit unit ID
 ---@param id integer unit ID
 function databus.tx_id(id)
     databus.ps.publish("unit_id", id)
 end
 
--- transmit hardware status across the bus
+-- transmit hardware status
 ---@param plc_state plc_state
 function databus.tx_hw_status(plc_state)
     databus.ps.publish("degraded", plc_state.degraded)
@@ -63,19 +63,19 @@ function databus.tx_rt_status(thread, ok)
     databus.ps.publish(util.c("routine__", thread), ok)
 end
 
--- transmit supervisor link state across the bus
+-- transmit supervisor link state
 ---@param state integer
 function databus.tx_link_state(state)
     databus.ps.publish("link_state", state)
 end
 
--- transmit reactor enable state across the bus
+-- transmit reactor enable state
 ---@param active any reactor active
 function databus.tx_reactor_state(active)
     databus.ps.publish("reactor_active", active == true)
 end
 
--- transmit RPS data across the bus
+-- transmit RPS data
 ---@param tripped boolean RPS tripped
 ---@param status boolean[] RPS status
 ---@param emer_cool_active boolean RPS activated the emergency coolant
diff --git a/reactor-plc/startup.lua b/reactor-plc/startup.lua
index 12c1f16..92fbde2 100644
--- a/reactor-plc/startup.lua
+++ b/reactor-plc/startup.lua
@@ -19,7 +19,7 @@ local plc       = require("reactor-plc.plc")
 local renderer  = require("reactor-plc.renderer")
 local threads   = require("reactor-plc.threads")
 
-local R_PLC_VERSION = "v1.9.1"
+local R_PLC_VERSION = "v1.10.0"
 
 local println = util.println
 local println_ts = util.println_ts
diff --git a/rtu/databus.lua b/rtu/databus.lua
index aec06ae..ae11487 100644
--- a/rtu/databus.lua
+++ b/rtu/databus.lua
@@ -23,7 +23,7 @@ databus.RTU_HW_STATE = RTU_HW_STATE
 -- call to toggle heartbeat signal
 function databus.heartbeat() databus.ps.toggle("heartbeat") end
 
--- transmit firmware versions across the bus
+-- transmit firmware versions
 ---@param rtu_v string RTU version
 ---@param comms_v string comms version
 function databus.tx_versions(rtu_v, comms_v)
@@ -31,32 +31,32 @@ function databus.tx_versions(rtu_v, comms_v)
     databus.ps.publish("comms_version", comms_v)
 end
 
--- transmit hardware status for the wireless comms modem connection state
----@param has_modem boolean
-function databus.tx_hw_wl_modem(has_modem)
-    databus.ps.publish("has_wl_modem", has_modem)
-end
-
--- transmit hardware status for the wired comms modem connection state
+-- transmit hardware status for the wired comms modem
 ---@param has_modem boolean
 function databus.tx_hw_wd_modem(has_modem)
     databus.ps.publish("has_wd_modem", has_modem)
 end
 
+-- transmit hardware status for the wireless comms modem
+---@param has_modem boolean
+function databus.tx_hw_wl_modem(has_modem)
+    databus.ps.publish("has_wl_modem", has_modem)
+end
+
 -- transmit the number of speakers connected
 ---@param count integer
 function databus.tx_hw_spkr_count(count)
     databus.ps.publish("speaker_count", count)
 end
 
--- transmit unit hardware type across the bus
+-- transmit unit hardware type
 ---@param uid integer unit ID
 ---@param type RTU_UNIT_TYPE
 function databus.tx_unit_hw_type(uid, type)
     databus.ps.publish("unit_type_" .. uid, type)
 end
 
--- transmit unit hardware status across the bus
+-- transmit unit hardware status
 ---@param uid integer unit ID
 ---@param status RTU_HW_STATE
 function databus.tx_unit_hw_status(uid, status)
@@ -70,7 +70,7 @@ function databus.tx_rt_status(thread, ok)
     databus.ps.publish(util.c("routine__", thread), ok)
 end
 
--- transmit supervisor link state across the bus
+-- transmit supervisor link state
 ---@param state integer
 function databus.tx_link_state(state)
     databus.ps.publish("link_state", state)
diff --git a/rtu/rtu.lua b/rtu/rtu.lua
index 379ef55..7baaed7 100644
--- a/rtu/rtu.lua
+++ b/rtu/rtu.lua
@@ -397,7 +397,6 @@ function rtu.comms(version, nic, conn_watchdog)
 
         s_pkt.make(self.sv_addr, self.seq_num, PROTOCOL.MODBUS_TCP, m_pkt.raw_sendable())
 
----@diagnostic disable-next-line: need-check-nil
         nic.transmit(config.SVR_Channel, config.RTU_Channel, s_pkt)
         self.seq_num = self.seq_num + 1
     end
@@ -430,8 +429,6 @@ function rtu.comms(version, nic, conn_watchdog)
     ---@param distance integer
     ---@return modbus_frame|mgmt_frame|nil packet
     function public.parse_packet(side, sender, reply_to, message, distance)
-        -- unreachable if there isn't a nic
----@diagnostic disable-next-line: need-check-nil
         local s_pkt = nic.receive(side, sender, reply_to, message, distance)
         local pkt = nil
 
diff --git a/rtu/startup.lua b/rtu/startup.lua
index b6699ba..aed0932 100644
--- a/rtu/startup.lua
+++ b/rtu/startup.lua
@@ -118,7 +118,7 @@ local function main()
     -- modem and speaker initialization
     if not backplane.init(config, __shared_memory) then return end
 
-    log.debug("boot> running uinit()")
+    log.debug("startup> running uinit()")
 
     if uinit(config, __shared_memory) then
         -- start UI
diff --git a/supervisor/databus.lua b/supervisor/databus.lua
index 6841157..af90a2c 100644
--- a/supervisor/databus.lua
+++ b/supervisor/databus.lua
@@ -16,7 +16,7 @@ databus.ps = psil.create()
 -- call to toggle heartbeat signal
 function databus.heartbeat() databus.ps.toggle("heartbeat") end
 
--- transmit firmware versions across the bus
+-- transmit firmware versions
 ---@param sv_v string supervisor version
 ---@param comms_v string comms version
 function databus.tx_versions(sv_v, comms_v)
@@ -24,18 +24,18 @@ function databus.tx_versions(sv_v, comms_v)
     databus.ps.publish("comms_version", comms_v)
 end
 
--- transmit hardware status for the wireless comms modem connection state
----@param has_modem boolean
-function databus.tx_hw_wl_modem(has_modem)
-    databus.ps.publish("has_wl_modem", has_modem)
-end
-
--- transmit hardware status for the wired comms modem connection state
+-- transmit hardware status for the wired comms modem
 ---@param has_modem boolean
 function databus.tx_hw_wd_modem(has_modem)
     databus.ps.publish("has_wd_modem", has_modem)
 end
 
+-- transmit hardware status for the wireless comms modem
+---@param has_modem boolean
+function databus.tx_hw_wl_modem(has_modem)
+    databus.ps.publish("has_wl_modem", has_modem)
+end
+
 -- transmit PLC firmware version and session connection state
 ---@param reactor_id integer reactor unit ID
 ---@param fw string firmware version
diff --git a/supervisor/supervisor.lua b/supervisor/supervisor.lua
index 88d7d25..f182578 100644
--- a/supervisor/supervisor.lua
+++ b/supervisor/supervisor.lua
@@ -104,11 +104,11 @@ function supervisor.load_config()
     cfv.assert((config.WiredModem == false) or (type(config.WiredModem) == "string"))
     cfv.assert((config.WirelessModem == true) or (type(config.WiredModem) == "string"))
 
-    cfv.assert_type_num(config.PLC_Listen)
+    cfv.assert_type_int(config.PLC_Listen)
     cfv.assert_range(config.PLC_Listen, 0, 2)
-    cfv.assert_type_num(config.RTU_Listen)
+    cfv.assert_type_int(config.RTU_Listen)
     cfv.assert_range(config.RTU_Listen, 0, 2)
-    cfv.assert_type_num(config.CRD_Listen)
+    cfv.assert_type_int(config.CRD_Listen)
     cfv.assert_range(config.CRD_Listen, 0, 2)
 
     cfv.assert_type_bool(config.PocketEnabled)
@@ -398,6 +398,8 @@ function supervisor.comms(_version, fp_ok, facility)
 
         if nic then
             s_pkt = nic.receive(side, sender, reply_to, message, distance)
+        else
+            log.error("parse_packet(" .. side .. "): received a packet from an interface without a nic?")
         end
 
         if s_pkt then
@@ -418,7 +420,7 @@ function supervisor.comms(_version, fp_ok, facility)
                 local crdn_pkt = comms.crdn_packet()
                 if crdn_pkt.decode(s_pkt) then pkt = crdn_pkt.get() end
             else
-                log.debug("receive[" .. side .. "] attempted parse of illegal packet type " .. s_pkt.protocol(), true)
+                log.debug("parse_packet(" .. side .. "): attempted parse of illegal packet type " .. s_pkt.protocol(), true)
             end
         end