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Chapter 2 Definition and Connection of Interface Signal
375
Ⅲ
Connection
2.6 Network Interface
Network interfaces of GSKTDi CN54 are standard and their definitions are shown below:
Note: TXD+ and TXD
- are difference signal, as well the
RXD+ and RXD
-, which are required to
connect with twisted-pair.
2.7 Power Interface Connection
The power box is applied in GSK980TDi system, which involves 2 groups of voltage: +24V. The
connection of power box to GSK980TDi CN1 interface has been done for its delivery from factory,
and the user only need to connect it to a 220V AC power in using.
FG
0V
24V
24VCOM
CN1
POWER
POWER UPPLY
Fig. 2-15 system power interface CN1
24VOM is connected with the output interface CN62 24V. When GSK980TDi's power supply box
supplies power supply for an external electron device, the supply box's +V is connected with
24VCOM. When an external power supply is used, its 24V is connected with 24VCOM and its 0V
must be connected with the system's supply box's-V.
PIN NO.
Signal
PIN NO.
Signal
1 9 LINK_LED
2 TXDLAN- 11 LAN_LED
3
10,
12 VDD33
6
RXDLAN-
13, 14
Shell grounding