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724-746-5500 | blackbox.com
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724-746-5500 | blackbox.com
Chapter 3: Hardware Configuration
Table 3-2. 1-Port Industrial Serial Server bias jumpers.
Connector Interface Type Jumper Number Pull Up/Pull Down
Terminal block
485 half-duplex
J12 Pull up
J6 Pull down
422/485 full-duplex
J7 Pull up
J13 Pull down
DB9
485 half-duplex
J3 Pull up
J9 Pull down
422/485 full-duplex
J5 Pull up
J11 Pull down
CTS
J4 Pull up
J10 Pull down
Figure 3-2. 2-Port Industrial Serial Server bias jumper locations.
Table 3-3. 2-Port Industrial Serial Server bias jumpers.
Port Interface Type Jumper Number Pull Up/Pull Down
1
485 half-duplex
J2 Pull up
J10 Pull down
422/485 full-duplex
J4 Pull up
J14 Pull down
CTS
J7 Pull up
J6 Pull down
2
485 half-duplex
J9 Pull up
J15 Pull down
422/485 full-duplex
J3 Pull up
J13 Pull down
CTS
J11 Pull up
J16 Pull down