Gasboy CFN III Mgnr's Mnl V3.4 - Manual (Page 270)

Appendix A: SC III Ports and Switches Jumper Settings
Page A-4 MDE-4315 CFN Series CFN III Manager’s Manual for Windows NT · August 2004
Jumper Settings
SC-Comm CPU Board Settings
SC-Comm Memory I/O Board Settings
Jumper Description Setting
K3 AC power fail sense 2-3 to enable
1-2 to disable *
K4 AC watch dog timer 1-2 to enable *
K5 SC-Comm CPU (testing only) 1-2 to reset
K6 RS-485 loop 1, 2-3 for 4 wire *
1-2 for 2 wire
K7 RS-485 loop 2, 2-3 for 4 wire
1-2 for 2 wire *
K8 Rx Clock from synchronous modem (DB-25-15) 1-2 to connect
K9 ETC output to synchronous modem (DB-25-24) 1-2 to connect
K10 Tx clock input from synchronous mocem (DB-25-17) 1-2 to connect
K11 EPROM type 2-3 for 27128 or 27256
K12 EPROM type 2-3 for 27128 or 27256
* = default
Jumper Description Setting
K1 Date/Time Clock Speed 1-2 for 4 wait state*
2-3 for 1 wait state
K2 Enable A19 to RAM 2-3 for 128Kx8*
1-2 for 512Kx8
K3 RAM size 2-3 for 128Kx8*
1-2 for 512Kx8
K4 External Battery no connector = disabled*
K5 Tokheim Reset Output Port 2
Do not Install, not supported 1-2 for reset
* = default