5
Network Connections
4.4
Fig. 4.3.
The back panel of the Site Controller SCM
Port 1 connects the Site Controller SCM to the 202 service channel. TX refers to transmission from the Site
Controller SCM, and RX refers to reception to the Site Controller SCM.
1
2
3
4
Fig. 4.4.
4-pin barrier
Pin
Signal
Label
Wire Color
1
TX+
T
Wht/Blu
2
TX-
R
Blu/Wht
3
RX+
T
1
Wht/Org
4
RX-
R
1
Org/Wht
Table 4.A
Pinout descriptions
RJ45 Ethernet Connection
8
7
5
6 Receive In– (RI–)
4
3 Receive In + (RI+)
2 Transmit Out– (TO–)
1 Transmit Out + (TO+)
Fig. 4.5.
RJ45 pinout
1
2
3
4
5
TX
GND
6
7
8
9
Pin # Signal
Description
1
Not connected
2
TX
Transmit data
3
RX
4
5
GND
Ground
6
Not connected
7
Not connected
8
9
Not connected
Receive data
Not connected
DB9 RS-232
RX
Not connected
Fig. 4.6.
Front panel DB9 craft port pinout
