3
Appendix
A
Specifications
Model: USB-GT-MED-D and USB-GT-MED-N
Primary power supply
through USB-B-port (host) +5V, approx.
500mA
Secondary power supply
by DC/DC converter
Max. current load, device
: 250
mA max.
250 mA max. (without external power
supply;
2
A max. with 5
V (with external power
supply)
Host-connector (primary)
USB-B-port
Device-connector
(secondary)
USB-A-port
Power LED
green LED, light up when host is con-
nected
Communication LED
yellow LED – continuous light (DC/DC-
converter is working)
yellow LED – blinking (communication host
– device)
Data transfer
bi-directional (half duplex, Master – Slave)
Transfer rate
Low-Speed: 1,5
Mbit/s
Full-Speed: 12
Mbit/s
Signal throughput time
ca. 60
ns (D+/D-)
Model: USB-GT-MED-N: approx. 50
ns
(D+/D-)
Signal distortion
max. 2
ns (D+/D-)
Signal offset
max. 2
ns (D+/D-)
Voltage isolation
min. 4
kV
rms
Dimensions (LxWxH)
158
mm x 95
mm x 46
mm
Degree of protection
IP40/NEMA 12
Protection class
2
Test Directives
93/42/EEC
CE and EMC conformities (Model: USB-GT-MED-N + USB-GT-MED-D)
