CTEK Z4200U SkyRouter - Manual (Page 21)

26 October 2012
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4.2.1 The RS232/RS485 Interface
This screen sets basic parameters for the RS232 port and the auxiliary serial port. These settings should be made to
correspond to those on the far end of the serial connection or serial over IP emulation. The RS232 and RS485 serial ports
are available for all applications and can be connected to the TCP or UDB PAD feature. In addition the RS232 port can be
configured to establish a Point-To-Point Protocol (PPP) connection over a serial link.
Figure 13 - RS232/485 Configuration
Bit Rate – Selects transmit and receive speed. This setting is available on both the RS232 and RS485 ports.
Character Length – Selects the number of bits representing a character. This setting is available on both the RS232 and
RS485 ports.
Parity – Selects the parity bit setting that will match the far end. This setting is available on both the RS232 and RS485
ports.
Flow Control (DB9 Only) – Selects No flow control, Hardware Flow Control (RTS/CTS), or Software Flow Control
(XON/XOFF). If RTS/CTS is selected make sure that the cable you are using has those pins connected on both ends.
Many pre-manufactured cables either do not terminate these signals or else jumper them into a permanent True state.