1 Ãã CD   ->PC 
2 Üô RxD  ->       HHC#3
3 ÎÐ TxD  <-
4 »ç DTR  <-       HHC#1
5 Çò SG   --       HHC#10
6 ÀÖ DSR  ->
7 ²« RTS  <-       HHC#4
8 ÀÄ CTS  ->
9 ³¥ RI   ->


HHC PIC16C621A-04/SO 3579.5L9 Xtal
IrKB  TS1001A 0042B BGAA52 4.000 Xtal
