Motorola SG4-DRT-2X Manuel d'utilisateur

STARLINE® SG4-DRT-2X Installation Sheet 509978-001 The Motorola® Digital Return Transmitter (SG4-DRT-2X) implements Time Division Multiplexing (TD

10 STARLINE Figure 10 illustrates the plug-in board required for the 2X redundant return option. Jumpers J5 and J6 are shown in the correct position.

STARLINE 11 The RF cable should be approximately eight inches long and have red boots on the connector signifying the return path. 8 If necessar

12 STARLINE Segmented Return In the segmented return configuration each RF return is applied to an individual RF input on two SG4-DRT-2X transmitters

STARLINE 13 Figure 13 illustrates the segmented return plug-in board. Figure 13 Segmented return board TX1SMTX2R1J3J5R4R7R6R9R8J7 J4IN2 IN1R5R2R3

14 STARLINE 9 Route and connect the fiber service cable. 10 Apply power to the node. Allow five to ten seconds for the system self-diagnosis to comp

STARLINE 15 Specifications Specifications are valid over the given bandpass and operating temperature range of −40°F to +140°F (−40°C to +60°C). Sp

16 STARLINE SG4-DRT-2X Models Model Wavelength (nm) Model Wavelength (nm) SG4-DRT-2X-CH20 1561.65 SG4-DRT-2X-CH40 1545.32 SG4-DRT-2X-CH21 1560.61

STARLINE 17 If You Need Help If you need assistance while working with the SG4-DRT-2X, contact the Motorola Technical Response Center (TRC):  Ins

CAUTIONRISK OF ELECTRIC SHOCKREFER SERVICING TO QUALIFIED SERVICE PERSONNEL.TO REDUCE THE RISK OF ELECTRIC SHOCK,DO NOT REMOVE COVER (OR BACK).NO USE

2 STARLINE Figure 2 illustrates the SG4-DRT-2X with the cover on (left) and cover off (right): Figure 2 SG4-DRT-2X transmitter 2X DIGITAL TRANSMITT

STARLINE 3 Table 1 identifies and provides information on the user-interface features of the SG4-DRT-2X: Key Feature Description 1 0.5 V/mW This te

4 STARLINE Installing the SG4-DRT-2X in the SG4000 Node The SG4000 carries each RF return path individually to the lid configuration boards and typic

STARLINE 5 3 Tighten the three 1/4 inch mounting bolts to 8 – 12 in/lbs to secure the module in the SG4000 lid. 4 Repeat as required for a second

6 STARLINE Split Return In the split return configuration, each pair of RF returns is applied to a separate 2X redundant return configuration board.

STARLINE 7 Figure 7 illustrates the 2X redundant return configuration board. Jumpers J5 and J6 are shown in the normal default position. Jumper J6

8 STARLINE 7 Ensure that the PIC cable is properly connected to the lid and power distribution board in the housing base. 8 Route and connect the fi

STARLINE 9 Split Redundant Return In the split redundant return configuration, each pair of RF returns is applied to a separate 2X redundant return