Specifications

3.4 RS422 Wiring Example
The SEM can control many devices. The following chart shows the pinouts to industry
standard RJ11-6 wire Jacks, and adapters for a few devices.
Figure 3-5. RS422 Wiring Example
SEM-4020
Harting Din
AMP Delta
Signal
RJ-11-6 Harmonica Block
RS422
Device
Pinout
48F Pinout
Pinout
Direction
Jack
Pin
Pinout
Pinout
Device
RXD + d 2 1 < 0 3
XMIT +
TXD - d 4 26 > 0 4
RECV -
RXD - b 2 2 < 0 5
XMIT -
TXD + b 4 27 > 0 2
RECV +
Ground z 2 3 - 0 6
Ground
Power z 4 28 + 0 1
Power
RXD + d 6 4 < 1 3
XMIT +
TXD - d 8 29 > 1 4
RECV -
RXD - b 6 5 < 1 5
XMIT -
TXD + b 8 30 > 1 2
RECV +
Ground z 6 6 - 1 6
Ground
Power z 8 31 + 1 1
Power
RXD + d 10 7 < 2 3
XMIT +
TXD - d 12 32 > 2 4
RECV -
RXD - b 10 8 < 2 5
XMIT -
TXD + b 12 33 > 2 2
RECV +
Ground z 10 9 - 2 6
Ground
Power z 12 34 + 2 1
Power
RXD + d 14 10 < 3 3
XMIT +
TXD - d 16 35 > 3 4
RECV -
RXD - b 14 11 < 3 5
XMIT -
TXD + b 16 36 > 3 2
RECV +
Ground z 14 12 - 3 6
Ground
Power z 16 37 + 3 1
Power
RXD + d 18 13 < 4 3
XMIT +
TXD - d 20 38 > 4 4
RECV -
RXD - b 18 14 < 4 5
XMIT -
TXD + b 20 39 > 4 2
RECV +
Ground z 18 15 - 4 6
Ground
Power z 20 40 + 4 1
Power
RXD + d 22 16 < 5 3
XMIT +
TXD - d 24 41 > 5 4
RECV -
RXD - b 22 17 < 5 5
XMIT -
TXD + b 24 42 > 5 2
RECV +
Ground z 22 18 - 5 6
Ground
Power z 24 43 + 5 1
Power
RXD + d 26 19 < 6 3
XMIT +
TXD - d 28 44 > 6 4
RECV -
RXD - b 26 20 < 6 5
XMIT -
TXD + b 28 45 > 6 2
RECV +
Ground z 26 21 - 6 6
Ground
Power z 28 46 + 6 1
Power
RXD + d 30 22 < 7 3
XMIT +
TXD - d 32 47 > 7 4
RECV -
RXD - b 30 23 < 7 5
XMIT -
TXD + b 32 48 > 7 2
RECV +
Ground z 30 24 - 7 6
Ground
Power z 32 49 + 7 1
Power
25
50
N/C
N/C
N/C
N/C