Connections
INSYS ISDN TA 4.0
4.3
Terminal Connections on the Bottom
Figure 4: Connections on the bottom of the device
Terminal Description
Description
11
OUT 1-NC
Output 1 normally closed
12
OUT 1
Output 1
13
OUT 1-NO
Output 1 normally open
14
OUT 2-NC
Output 2 normally closed
15
OUT 2
Output 2
16
OUT 2-NO
Output 2 normally open
17
b2
Transmitting line A (PIN 6 on RJ45 connector)
18
b1
Receive line A (PIN 5 on RJ45 connector)
19
a1
Receive line B (PIN 4 on RJ45 connector)
20
a2
Transmitting line B (PIN 3 on RJ45 connector)
Table 8: Description of the connections on the bottom of the device
22
