Product manual
Appendix B: Connection and Jumper Record
104 025-9158L
Receiver Connector (J13)
Pin # Description Connection
1 XBUSY +
2 XBUSY
3 4-WIRE RX AUDIO +
4 4-WIRE RX AUDIO -
5 RX COR +
6 RX COR -
7 DATA MUTE
8 PA READY
9 GND
10 GND
11 12V
12 12V
Jumper Settings
Jumper Description Settings Actual
JP1 RAM Select A = 32K / B = 8K
JP2 FFSK Rcv Select A = Enable AGC / B = Disable AGC
JP3 VOX Control A = Enable VOX / B = Disable VOX
JP6 M26 Chain Termination A = Unterminated / B = Terminated
JP7 Mode Select Not Installed
JP8 COR Input Pull-up A = No Pullup / B = 10 kΩ
JP9 4-Wire Rcv Impedance A = 600 Ω / B = 10 kΩ
JP10 FFSK Output Range A = Telephone / B = Power
C = Radio
JP11 2-Wire Rcv Impedance A = 600 Ω / B = 3.3 kΩ
JP12 RS232 RxD Pin A = Std Pin 2 / B = Zetron Pin 4