Unitech mr350 mkii Verweishandbuch
8-90
MR033-E
RS 422/485 T-Junction Box
INTERNAL JUMPER SETTING
PIN ASSIGNMENT
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RJ-4 5
Connect to MR series terminal with
AC 13.5V Power .
AC 13.5V Power .
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RJ-4 5
Connect to next terminal,
cradle or T-Box without AC
13.5V power
cradle or T-Box without AC
13.5V power
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13.5VAC
This power input will flow to RJ-45
and drive terminal which use
13.5VAC as power source.
and drive terminal which use
13.5VAC as power source.
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RJ-4 5
Connect to previous terminal,
cradle or T-Box without AC
13.5V power
cradle or T-Box without AC
13.5V power
Front
Back
4-Wire RS422
1. RX+
2. RX-
3. TX+
4. N.C.
5. N.C.
6. TX-
7. AC-HOT
8. AC NEUTRA
2-Wire RS485
1. RX+
2. RX-
3. N.C.
4. N.C.
5. N.C.
6. N.C.
7. AC-HOT
8. AC NEUTRA