KYLAND Technology SICOM3008PN, Руководство по установке оборудования

Страница: 20 / 28

Connection
15
DB9 Port (9-Pin Serial Port) RJ45 Port (Console Port)
Pin Signal Pin Signal
2 RXD (Receive data) 2 TXD (Transmit data)
3 TXD (Transmit data) 3 RXD (Receive data)
5 GND (Grounding) 5 GND (Grounding)
4.4 Grounding/ Power Terminal Block/ Alarm Terminal Block
The alarm relay output contacts are in the middle of the DC terminal block connector as
shown in the figure below.
The alarm relay out is “Normal Open”, and it will be closed when detected any predefined
failure such as power failures or Ethernet link failures
The relay output with current carrying capacity of 0.5A @ 24 VDC.
Figure 17 Grounding