maxon motor EPOS4 Module 50/5 Hardware Reference Manual page 64

Setup
Connection Specifications
3.4.10.2
Compact/CB
Connector
X10 | 1
X10 | 2
X10 | 3
X10 | 4
X10 | 5
Table 3-57
Max. input voltage
Output voltage
Max. bit rate
RS232 transceiver
3-64
Compact
Signal
Pin
EPOS_RxD
GND
EPOS_TxD
GND
Shield
RS232 – Pin assignment
Document ID: rel8003
© 2018 maxon motor. Subject to change without prior notice.
EPOS RS232 receive
Ground
EPOS RS232 transmit
Ground
Cable shield
RS232 Interface
±30 VDC
typically ±9 V @ 3 kΩ to GND
115'200 bit/s
EIA RS232 standard
Edition: May 2018 EPOS4 Module/Compact 50/5 Hardware Reference
Description
maxon motor control
EPOS4 Positioning Controller