Instruction Manual
2
Product Overview
Jumper Settings
Power over serial Enable/Disable (per-port):
Power over Serial
Enable/Disable
jumpers (per-port)
4-port DB44 to
DB9MX4 Breakout
Cable
Aux Power
Source Selector
SP4 Aux Power
Connector
S1~S4 Internal
header Connector
DB44 External
Connector
Each port can be individually configured to provide
power over Pin 9, or not.
“DIS” (far right – factory default) position: Pin 9 will
not provide power.
“PWR” (far left) position: Pin 9 will provide the
auxiliary power specified using the Aux Power Source
Selector jumpers (outlined below)
DIS
PWR
S1
S2
S3
S4
