Serial connection: Used straight-through RJ11 (6-cond). IP (XM-OCTAL) jumpers default RJ-11 recepticle (taper at bottom) | | | | | | 1 2 3 4 5 6 1,2 = RxD (to db9 pin 3) 3,4 = GND (to db9 pin 5) 5,6 = TxD (to db9 pin 2) 1200 or 300 Baud only. 7 data bits. 1 stop bit. Odd parity. This device wants cr/lf. This is the default setting . Since I used serial records, could only set one send/recieve terminator. Therefore I set ODEL to be 10 decimal which is lf, and IDEL to 13 decimal which is cr.