Bosch Rexroth VSB 40.1, Project Planning Manual, Page: 57 / 87

7-20
PC Box VSB 40.1
DOK-SUPPL*-VSB*40.1***-PR02-EN-P
Note: There is no uniform and standard pin assignment for RS422.
When connecting RS422 devices, the pinout in the
documentation is always to be considered.
Jumper Setting on Motherboard
XCOM3
Jumper JPB2
Jumper JPB1
XCOM4
XCOM3
Jumper JPB2 Jumper JPB1
XCOM4
Motherbord 1070922809 Motherbord 1070923827
Lage_der_Anschlusse_auf_den_Motherbord-Varianten.FH11
Fig. 7-31: Position of the connections and the jumper on the motherboard
variants
Motherboard 1070922809 = Jumper JPB2
Motherboard 1070923827 = Jumper JPB1
XCOM3
1-2 3-4 5-6 7-8 9-10 11-12
RS232 OFF OFF OFF OFF OFF ON
Motherboard 1070922809 = Jumper JPB1
Motherboard 1070923827 = Jumper JPB2
XCOM4
1-2 3-4 5-6 7-8 9-10 11-12
RS422
OFF
ON (Term.)
OFF
ON (Term.)
OFF ON ON OFF
Jumper 1-2 ON = Termination 120 ohm between RXD+ and RXD-
Jumper 2-3 ON = Termination 120 ohm between TXD+ and TXD-
Fig. 7-32: Jumper positions for termination settings