Epson TM-T88V-DT Technical Reference Manual page 68

SW1-5
OFF
ON
OFF
ON
OFF
ON
OFF
How to set the DIP switch
1
Disconnect the cable connecting the DM-D110 (dedicated model).
2
Remove the DIP switch cover.
3
Switch the switch with something pointy.
4
Close the DIP switch cover.
68
SW1-6 SW1-7
ON ON
OFF ON
OFF ON
ON OFF
ON OFF
OFF OFF
OFF OFF
Communication Speed
(bps)
4800
9600
19200
38400
57600
115200
(Reserved)