User Manual

User Reference and Installation Manual 3-24

MDS 5800 II

installed and properly grounded. If this is not the case, the same measurement can be made

between cable pin 1 (RET) and a convenient ground (such as an ac outlet third-wire ground).

5. Turn the -48 V dc supply off.

6. Plug the SDIDU

power cable into the SDIDU

front panel DC Power connector (DC

Input). Place the voltmeter probes on the cable connector screw terminal screw heads as

per step 2 above. Refer to Figure 3-12. Note that the MDS 5800 II SDIDU

does not have

a power on/off switch. When DC power is connected, the digital radio powers up and is

operational. There can be up to 320 mW of RF power present at the antenna port. The

antenna should be directed safely when power is applied.

7. Turn on the -48 V dc power supply, and verify that the reading on the digital voltmeter is as

specified in step 3 above.

8. Turn the -48 V dc supply off.

9. Connect the SDIDU

to the laptop computer, using a Cat-5 Ethernet cable or connect the

SDIDU

to a computer network, using a Cat-5 Ethernet cable. Connect the Ethernet cable

to NMS 1 or 2 connector on the SDIDU

front panel. Refer to Figure 3-13 for the SDIDU

front panel connections.

Figure 3-12. SDIDU

DC Power Cable Connector

Figure 3-13. MDS 5800 II-SB, 1+1 Protection: SDIDU

Front Panel Connections

2 1