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87
Configuring the 56/64 kbit data
communication modules
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Connect according to
table 49
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If a screen is available in the cable it is connected to Protection Ground (pin 9 on the
transceiver) at one or both ends.
Figure 44
shows the connection. Note that the signal directions are according to DCE
operation for both transceiver and communication equipment.
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S2, S3, S4, S15, S16
Jumpers downwards
DTE
S6
Second position from bottom
X.21
S11
9
64 kbit/s
S14
Jumper at middle position
External clock
S13
Has no influence on operation
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Signal
Pin
1)
Signal
Direction
TX
1/2
RX
Comm. eq -> Transceiver
RX
3/4
TX
Transceiver -> Comm. eq.
1)
RJ-45 connector. Numbered from left the connection points will bet this number
en01000193.vsd
Tranceiver
Communication
equipment
RX(A)
RX(B)
TX(A)
TX(B)
TX(A)
TX(B)
RX(A)
RX(B)
Содержание 500 Series
Страница 6: ... RQWHQWV ...
Страница 32: ...26 Mounting methods and mounting details KDSWHU 7HUPLQDO GLPHQVLRQV DQG PRXQWLQJ DOWHUQDWLYHV ...
Страница 46: ...40 Test switch modules for RED 521 KDSWHU 7HUPLQDOV ZLWK D WHVW VZLWFK PRGXOH ...
Страница 72: ...66 Making the electrical connections KDSWHU OHFWULFDO FRQQHFWLRQV ...