User Manual

7521/2/2A/3/4/7 Series Hardware User’s Manual, Ver. 1.5 Sep/2002, 7Mh-001-15 -----52
The COM ports of the 7524 are given as follows:
COM port Hardware
COM1 80188’s on-chip UART-0, 5-wire RS-232 & 2-wire
RS-485
COM2 80188’s on-chip UART-1, 2-wire RS-485
COM3 16C550, I/O expansion bus, 5-wire RS-232
COM4 16C550, I/O expansion bus, 5-wire RS-232
The COM ports of the 7527 are given as follows:
COM port Hardware
COM1 80188’s on-chip UART-0, 5-wire RS-232 & 2-wire
RS-485
COM2 80188’s on-chip UART-1, 2-wire RS-485
COM3 16C550, I/O expansion bus, 5-wire RS-232
COM4 16C550, I/O expansion bus, 3-wire RS-232
COM5 16C550, I/O expansion bus, 3-wire RS-232
COM6 16C550, I/O expansion bus, 3-wire RS-232
COM7 16C550, I/O expansion bus, 3-wire RS-232
COM8 16C550, I/O expansion bus, 3-wire RS-232