109
C
ONNECTING THE COMMUNICATION SERVER
CHAPTER 4 INSTALLATION
• 2 network interfaces BRI-T or 2 terminal interfaces BRI-S or a combination thereof.
• 10 terminal interfaces (DSI, FXS) or a combination thereof.
NOTE: This cable cannot be used to connect PRI and Ethernet interfaces (see also Connection of PRI
primary rate interface and Connection of Ethernet interfaces).
NOTE: This cable cannot be used to connect PRI and Ethernet interfaces (see also Connection of PRI
primary rate interface and Connection of Ethernet interfaces).
TIP: Use standard commercial connecting cables not just for the PRI and Ethernet interfaces but also
for connecting the BRI-T interfaces.
Table 4.5:Schematic diagram of prefabricated system cable 12 x RJ45 (Sheet 1 of 2)
Stranded
element
Core colour Cable
designation
RJ45 Signal
Pin Connection
four-wire
Two-wire
connection
1 white 1 4 f a
blue 5 e b
turquoise 6 d –
violet 3 c –
2 white 2 4 f a
orange 5 e b
turquoise 6 d –
violet 3 c –
3 white 3 4 – a
green 5 – b
turquoise 4 4 – a
violet 5 – b
4 white 5 4 – a
brown 5 – b
turquoise 6. 4 – a
violet 5 – b