
Functional Description
58
3.10
USB (Service)
3.10.1
Front Connection
Table 14.
Connector types – USB 3.0
Table 15.
Pin assignment – USB 3.0
Table 16.
Signal mnemonics – USB 3.0
Service interfaces may only be used with a maximum cable length of 3 m
for wayside installations 10 meters or less away from the track.
Connector
Type
On MC50M 9-pin USB 3.0 Standard-A receptacle according to Universal Serial Bus
Specification
Mating
9-pin USB 3.0 Standard-A plug according to Universal Serial Bus
Specification
1
+5V
9
St
2
D-
8
StdA_SSTX-
3
D+
7
GND
4
GND
6
St
5
StdA_SSRX-
Signal
Direction
Function
+5V
out
+5 V power supply
GND
-
Digital ground
D+/-
in/out
USB 3.0 lines
St/-
out
SuperSpeed transmit lines
St/-
in
SuperSpeed receive lines
1
2
3
4
9
8
7
5
6