5. HARDWARE INTERFACES
5-5
5.6
USB Interface
5.6.1
Overview
The Communication Unit has one USB connector for connecting an ISDN modem.
The ISDN interface supports 64 kbps data rate.
5.6.2
Pinout
The figure and table below show the connector outline and
pin assignments.
USB connector pinout
5.7
LAN Interface
5.7.1
Overview
The Communication Unit has four Ethernet LAN ports with Power over Ethernet (PoE).
The standard for the Ethernet ports is IEEE 802.3af, and the connectors are RJ-45
connectors.
Pin number
Pin function
1
+ 5V
2
- DATA
3
+ DATA
4
GND
USB female connector
1
3
4
2
Summary of Contents for FELCOM251
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