2
Introduction
2.2.2 VScom USB-2COM PRO
Figure 3: VScom USB-2COM PRO
Serial Ports
2
Connectors
2
×
DB9 male
RS232, RS422, RS485 (
6.1
)
2
×
Terminal block
RS422, RS485 (
6.3
)
Power
Bus powered
FIFO size
128 Bytes
Transmit
384 Bytes
Receive
LED
Power
On Top: Red LED
4
×
Data
On Top: Transmit Green, Receive Yellow per port
2
×
Mode
On Top: 3-Color
Table 4: Features of VScom USB-2COM PRO Dual Port
2.2.3 VScom USB-4COM PRO
Figure 4: VScom USB-4COM PRO
Serial Ports
4
Connectors
4
×
DB9 male
RS232, RS422, RS485 (
6.1
)
Power
Self powered
Shipped with 5V DC adapter
FIFO size
128 Bytes
Transmit
384 Bytes
Receive
LED
Power
On Front: Red LED
8
×
Data
In Block on Front: Transmit Green, Receive Yellow
4
×
Mode
Near Port: 3-Color
Table 5: Features of VScom USB-4COM PRO Quad Port
June 2009
USB-COM PRO User Manual
8
