diff --git a/avr/modules/uart_hw/comonuart0.asm b/avr/modules/uart_hw/comonuart0.asm
index 1d6300c..61c6730 100644
--- a/avr/modules/uart_hw/comonuart0.asm
+++ b/avr/modules/uart_hw/comonuart0.asm
@@ -8,7 +8,6 @@
 ; ***************************************************************************
 
 
-.equ COMONUART0_IFACENUM = 1
 .equ COMONUART0_READ_TIMEOUT = 3
 .equ COMONUART0_MSG_INTERVAL = 0
 
diff --git a/avr/modules/uart_hw/comonuart1.asm b/avr/modules/uart_hw/comonuart1.asm
index 8e7c2c6..5ea61f9 100644
--- a/avr/modules/uart_hw/comonuart1.asm
+++ b/avr/modules/uart_hw/comonuart1.asm
@@ -8,7 +8,6 @@
 ; ***************************************************************************
 
 
-.equ COMONUART1_IFACENUM = 2
 .equ COMONUART1_READ_TIMEOUT = 3
 .equ COMONUART1_MSG_INTERVAL = 0
 
@@ -358,13 +357,13 @@ comOnUart1RunWriteModes:
 
 comOnUart1RunWriteIdle:
   ldd r16, Y+NET_IFACE_OFFS_WRITETIMER
-  cpi r16, COMONUART0_MSG_INTERVAL           ; wait a bit between messages
+  cpi r16, COMONUART1_MSG_INTERVAL           ; wait a bit between messages
   brcs comOnUart1RunWriteIdle_end
 
   rcall NET_Interface_PeekNextOutgoingMsgNum ; r16=msgNum
   brcc comOnUart1RunWriteIdle_end            ; no outmsg in queue
   
-  sbis COM_ATTN_INPUT, COM_ATTN_PIN          ; ATTN low?
+  sbis COM_ATTN1_INPUT, COM_ATTN1_PIN        ; ATTN low?
     rjmp comOnUart1RunWriteIdle_end          ; yes, line busy, jmp
 
   rcall comOnUart1SetAttnLow                 ; reserve bus as soon as possible
@@ -468,7 +467,7 @@ comOnUart1RunReading:
   ret
 
   ldd r16, Y+NET_IFACE_OFFS_READTIMER
-  cpi r16, COMONUART0_READ_TIMEOUT
+  cpi r16, COMONUART1_READ_TIMEOUT
   brcs comOnUart1RunReading_end
   rcall comOnUart1StopRx                   ; (R16)
   ldd r16, Y+UART_HW_IFACE_OFFS_READBUFNUM
@@ -499,7 +498,7 @@ comOnUart1RunSkipping:
   breq comOnUart1RunSkipping_checkAttn
   rcall NET_Buffer_ReleaseByNum                 ; (R16, X)
 comOnUart1RunSkipping_checkAttn:
-  sbis COM_ATTN_INPUT, COM_ATTN_PIN              ; ATTN low?
+  sbis COM_ATTN1_INPUT, COM_ATTN1_PIN              ; ATTN low?
     rjmp comOnUart1RunSkipping_end               ; yes, jmp
   ; ATTN ishigh, skipped message finished
   ldi r16, UART_HW_READMODE_IDLE
@@ -528,7 +527,7 @@ comOnUart1RunMsgReceived:
 ; @clobbers R16, R17, X
 
 comOnUart1Init:
-.ifdef COM_ATTN_PUE
+.ifdef COM_ATTN1_PUE
     lds r16, COM_ATTN1_PUE
     cbr r16, 1<<COM_ATTN1_PIN           ; disable pullup on ATTN
     sts COM_ATTN1_PUE, r16
diff --git a/avr/modules/uart_hw/ttyonuart1.asm b/avr/modules/uart_hw/ttyonuart1.asm
index 2185ad2..756ec38 100644
--- a/avr/modules/uart_hw/ttyonuart1.asm
+++ b/avr/modules/uart_hw/ttyonuart1.asm
@@ -10,7 +10,6 @@
 
 .equ TTYONUART1_SKIPTIME = 2
 .equ TTYONUART1_MSG_INTERVAL = 0
-.equ TTYONUART1_IFACENUM = 2
 
 
 .dseg