MEERSTETTER LTR-1200, User Manual

Page: 13 / 18

User Manual LTR-1200
31.07.13 TB
22.10.14 SK
Page 13 (18)
5171C
3.2.7 USB
The USB interface is electrically isolated. A virtual COM Port is provided for communication with a host
PC. The drivers are the same as the ones already required / installed for the individual internal devices.
(Used chip: FTDI FT232RQ)
3.2.7.1 Characteristic
Symbol Parameter Comments Min Typ Max Units
Protection Characteristics
V
ISO
Isolation Voltage 1 - 2.5 kV
V
PP
ESD Protection Human Body Model +/-15 kV
Electrical Characteristics
Speed
Communication Speed (Baud Rate) Software Setting 4800 1M bps
3.2.8 Ethernet
3.2.8.1 Specifications
The Ethernet meets the following specifications:

IEEE 802.3 compliance

100BASE-TX and 10BASE-T compliance

Auto Negotiation (Automatically switch between 10Mbit/s / 100Mbit/s, Half -/ Full-Duplex)

Auto MDIX (Auto crossover)

Optional VLAN (available on request)

Optional IEEE 1588: Precision Time Protocol (available on request)
3.2.8.2 LED Description
Green Orange
Off Not connected 10Mbit/s
Blink Activity -
On Connected 100Mbit/s
3.2.8.3 Available Features

Small embedded website

Service Software communication

MeCom protocol