Black Box LB304A User Manual download pdf (Page 19)

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Page 19

Chapter 4: Installation

Local mode

Remote mode

Terminal block connector,

twisted-pair copper

telephone line

RJ-45 connector,

twisted-pair copper wire

RJ-45 connector,

twisted-pair copper wire

Power 1, DC jack, 48 VDC

Power 2, terminal block, 24-48 VDC

Power 3, terminal

block, 24-48 VDC

Ground

Field wiring terminal:

Use copper

conductors only,

60/75° C, 12-24

AWG, torque value

7 lb.-in.

Power 2, terminal

block, 24-48 VDC

Power 3, terminal

block, 24-48 VDC

Power 1, DC

jack, 48 VDC

Ground

Figure 4-2. Wiring diagram using terminal block connector for copper telephone line.

4.3 DIN Rail Mounting

• Attach the DIN rail plate to the back panel of the Hardened Ethernet Extender.

• Installation: Place the Hardened Ethernet Extender on the DIN rail from above using the slot. Push the front of the Hardened

Ethernet Extender toward the mounting surface until it audibly snaps into place.

• Removal: Pull out the lower edge and then remove the Hardened Ethernet Extender from the DIN rail.

Figure 4-3. DIN rail plate attached to back panel of the extender.

4.4 Connecting to Power

Redundant DC terminal block power inputs or 48 VDC DC jack:

4.4.1 Redundant DC Terminal Block Power Inputs

There are two pairs of power inputs that you can use to power up this device. You only need to have one power input connected

to run the Hardened Ethernet Extender.

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Black Box LB304A User Manual Page 19