Switch Swc; Dce; Dte - Black Box 232/CL-E Manual

5.2 Switch SWC

Switch SWC controls the RS-232 Connector Configuration (DCE/DTE).
Note: "OPEN" indicates Off and "CLOSED" indicates On.

5.2.1 DCE

The CL050 default configuration is DCE. The 10-position DIP switch is set as
follows:
SW1
SW2
SW3
SW4
SW5
SW6
SW7
SW8
SW9
SW10

5.2.2 DTE

When configuring the CL050 as a DTE, the 10-position DIP switch is set as follows:
SW1
SW2
SW3
SW4
SW5
SW6
SW7
SW8
SW9
SW10
RS-232 ↔ CURRENT LOOP INTERFACE CONVERTER
Not Used
OPEN = SW2 and SW3 are ALWAYS in opposite
CLOSED = With SW2 OPEN, Data Out is on Pin 3
OPEN = SW4 and SW5 are ALWAYS in opposite
CLOSED = With SW4 OPEN, Data In is on Pin 2
OPEN = Pin 4 (RTS) not connected
CLOSED = Ties Pin 5 (CTS) to Pin 20 (DTR)
OPEN = Removes High on Pin 20 (DTR). If
CLOSED = Place High on Pin 6 (DSR)
Not Used
Not Used
CLOSED = With SW3 OPEN, Data Out is on Pin 2
OPEN = SW2 and SW3 are ALWAYS in opposite
CLOSED = With SW5 OPEN, Data In is on Pin 3
OPEN = SW4 and SW5 are ALWAYS in opposite
CLOSED = Place High on Pin 4 (RTS)
OPEN = Pin 5 (CTS) not connected
CLOSED = Place High on Pin 20 (DTR)
OPEN = Pin 6 (DSR) not connected
Not Used
positions
positions
system does not use DTR, raise CTS by
CLOSING both SW7 and SW8
positions
positions
19