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86
Configuring the 56/64 kbit data
communication modules
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 sup-
posed to be connected to communication equipment that acts as a DCE.
; RSHUDWLRQ
The connection is made according to
7DEOH &RQQHFWLRQV
7UDQVFHLYHU
Pin No.
Signal
A
T
2
R
4
S
6
Figure 43
shows the connection.
Tranceiver
T(A)
T(B)
R(A)
R(B)
S(A)
S(B)
)LJXUH &RQQHFWLRQ EHWZHHQ WUDQVFHLYHU DQG FRPPXQLFDWLRQ HTXLSPHQW
Set transceiver according to
,QVWDOODWLRQ RI WKH RSWLFDO FDEOHV LQ
table
47.
&RPP HT
B
Signal
9
T
11
R
13
S
T(A)
T(B)
R(A)
R(B)
S(A)
S(B)
table
48.
WHUPLQDOV DQG FXELFOHV
Direction
Comm. eq -> Transceiver
Transceiver -> Comm. eq.
Comm. eq. -> Transceiver
Communication
equipment
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&KDSWHU
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