B-2.Dual Interface - Oki PT390 Guia Del Usuario

B-2.Dual Interface

(1) Type B Connector: 4 Pin
Pin No.
1
2
3
4
(2) Serial interface connector
Pin No.
1
2
3
4
5
6
7
8 to 19
20
21 to 24
25
Notes 1: Use inch- screws to secure the connection.
Notes 2: Shielded USB cables must be used.
Signal name I/O direction
VBUS
D-inB Input/Output
D+inB Input/Output
SG1
Signal name I/O direction
FG
TXD
RXD
RTS
CTS
DSR
SG
N.C.
DTR
N.C.
INIT
Input +5V
D-
D+
--- Ground
--- Frame ground
Output Send data
Input Receive data
Output Send request
Input Send permission
Input Data set ready
--- Signal ground
--- Unused
Output Data terminal ready
--- Unused
Input Forced reset
55
Signal line name
Function