Centsys Lattice Installation Manual page 19

The EOL switches on the L1000 and LSH's are located as shown in the sketches below:
Fig 12 Part of L1000 showing jumper link that turns on EOL Resistor
Fig 13 Part of LSH showing dipswitch that turns on EOL resistor
PC RX
PC TX
RS485C
RS485B
RS485A
N/C
COM
N/O
PC RX
PC TX
RS485C
RS485B
RS485A
N/C
COM
N/O
Page 18
Ensure jumper is
bridged if EOL resistor
needs to be
connected
Part of
L1000 PCB
Turn DIP switch 1 to
ON if EOL resistor
is required
Part of
LSH PCB