Table of Contents
Advertisement
11
11.1
78
Configuring the transceiver 21-16xx
Configuring the transceiver 21-16xx
For setting jumpers, follow the instructions in the document delivered with the transceiver.
Here follow some recommendations on settings and connections when using protection systems
from ABB. In the following, the transceiver is regarded as a DTE and is supposed to be connect-
ed to communication equipment that acts as a DCE.
X.21 operation
The connection is made according to
Table 15:
Connections
Transceiver
Pin No.
Signal
A
T
2
R
4
S
6
Figure 24
shows the connection.
Tranceiver
T(A)
T(B)
R(A)
R(B)
S(A)
S(B)
Figure 24:
Connection between transceiver and communication equipment
Set transceiver according to
table
15.
Comm. eq.
B
Signal
9
T
11
R
13
S
T(A)
T(B)
R(A)
R(B)
S(A)
S(B)
table
16.
Configuring the 56/64 kbit data
communication modules
Direction
Comm. eq -> Transceiver
Transceiver -> Comm. eq.
Comm. eq. -> Transceiver
Communication
equipment
en01000192.vsd
Chapter 8
Advertisement
Table of Contents
