NEC DTU-70, Инструкция по эксплуатации

Страница: 77 / 80

GWP-G22996
3 - 29
3) RS-485
Table 3-13 REMOTE CONTROL (J3) on INTERFACE BOARD
Pin No. Signal
1
2
3 Transmit Data
+
(TXD
+
)
4 Transmit Data
-
(TXD
-
)
5 Ground
6 Receive Data
+
(RXD
+
)
7 Receive Data
-
(RXD
-
)
8
9
Table 3-14 REMOTE CONTROL (J4) on INTERFACE BOARD for daisy chain
Pin No. Signal
1
2
3 Transmit Data
+
(TXD
+
)
4 Transmit Data
-
(TXD
-
)
5 Ground
6 Receive Data
+
(RXD
+
)
7 Receive Data
-
(RXD
-
)
8
9