Qualitrol SERVERON TM1 - RS485; RS232 Wiring

810-1902-03 Rev D TM1 Installation Guide
13
RS485 / RS232 Wiring
Connections for RS485 / 232 serial communications are terminated on J21, as indicated below.
The jumper on J6 must be positioned properly, depending on the type of serial communications desired
Figure 13: J6 Jumper setting