BTP-R681 User’s Manual
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2) Interface signal definition
Figure 6.4-1 Ethernet interface
Interface adopts 10/100BASE-T standard which complies with IEEE802.3. The interface signal
is defined as below:
Pin No.
Signal name
Description
1
TX+
Data transm
2
TX-
Data transmission -
3
RX+
Data rec
4
NC
Not connected
5
NC
Not connected
6
RX-
Data receiving -
7
NC
Not connected
8
NC
Not connected
Table 6.4-1 Ethernet interface definition
6.5 Double communication interface
Double communication interface support serial interface and Ethernet interface at the same
time.
1
）
）
）
）
The serial interface of the printer is compatible with RS-232 standard, and its interface
socket is DSUB-9 socket. Pin definition is as following
PIN No.
Signal definition
PIN1
Not connected
PIN2
RXD
PIN 3
TXD
PIN 4
DTR
PIN 5
SG
PIN6
DSR
PIN 7
RTS
PIN 8
CTS
PIN 9
Not connected
2
）
）
）
）
Ethernet interface
Details refer to section “6.4 Ethernet interface”.
