SMA
Technologie AG
Connection
Technical Description
SSM-TEN072310
Page 27
The jumper must be mounted on one SMU board so that the termination is activated.
Termination is realized by means of:
1.
Mounting the jumper on an SMU board in the last SSM-C
2.
Removing the other jumpers on the SMU boards in the respective SSM-C
3.
Plugging the termination resistor into the RJ45 socket "485 Out" at the SMU8 hub
power supply unit (default configuration)
1 2 3 4 5 6
Z9-X9
L+
L+
Z2-X2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
L-
L-
L-
1 1 2 2 3 3 4 4 5 5
6 6
7 7 8 8
L+
1
2
1 1 2 2 3 3 4 4 5 5
6 6
7 7 8 8
L-
1
2
Z1-X1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
L+
Jumper mounted
Jumper not
mounted