Interface; Usb Interface; Specifications; Signal Line And Pin Arrangement - Citizen CL-E720DT Technical Manual

Chapter 2 Operating Principles

2-4. Interface

2-4. Interface

2-4-1. USB Interface

(1) Specifications

Standards
Transmission speed
Receive buffer
Connector

(2) Signal line and pin arrangement

Pin No. Signal code
1 VBUS
2 D-
3 D+
4 GND

2-4-2. Wired LAN Interface

(1) Specifications
Supporting protocols
Connector
(2) Signal line and pin arrangement
Pin No. Signal name
1
2
3
4
5
6
7
8
CL-E720DT
Complies with Universal Serial Bus 2.0 Specification
Compatible with 480 Mbps (high-speed) transmission and 12Mbps
(full speed) transmission
16K bytes
DUSB 15120-00400 (KST)
Signal
USB power
Signal line -
Signal line +
GND
Network layer:
Transport layer:
Application layer:
RJ-45
TX+ Send (+)
TX- Send (-)
RX+ Receive (+)
NC Not used.
NC Not used.
RX- Receive (-)
NC Not used.
NC Not used.
USB power (+5V)
- signal line
+ signal line
GND
ARP, IP, TCP
TCP, UDP
DHCP, HTTP, SNMP, Raw Socket Port
Function
2-54
Function