10
4.3
USB Model
4.3.1
Mini USB Communication Connector
Figure 12: Mini USB Connector
Table 5: Mini USB Pinout
Pin Function
1
Vcc
2
D-
3
D+
5
Gnd
The GTT480272A-USB comes with a familiar Mini-B USB connector to fulfill both communication and
power needs. The GTT480272A-USB can be connected to virtually any other USB host using the
appropriate cable. Most commonly used with a PC, this connection creates a virtual com port that offers
a simple power solution with a familiar communication scheme.
4.3.2
Alternate USB Communication Header
Some advanced applications may prefer the straight four pin connection offered through the optional
Alternate USB Header. The Alternate USB Header may be added to the GTT480272A-USB for an added
charge as part of a custom order. Please use the Contact section to reach Sales for additional details.
4.4
RS422 Model
4.4.1
RS422 Header
Figure 13: RS422 Header
Table 6: RS422 Pinout
Pin Function
1
Gnd
2
Rx (Y)
3
Inv Rx (Z)
4
Inv Tx (B)
5
Tx (A)
6
Vcc
The six pin RS422 Header of the GTT480272A-422 offers power and ground connections as well as two
differential pair communication lines. Both a regular and an inverted line are provided for both receive
and transmit signals. The Tyco 282834-6 style header is best suited to a wire connection.
