User guide

2-10 Solo E1 DSU User Guide—June 1998
2
2. Connect the tray cable to the Solo E1 DSU DC power
connector:
a. Plug the colored wire to the positive (+) terminal.
b. Plug the black wire to the negative (-) terminal.
3. Connect to the DC power source:
a. Connect the colored wire to the positive (+) source.
b. Connect the black wire to the negative (-) source.
4. Connect the earth ground wire to the ground stud.
Use a .63 cm (¹⁄₄ in) wrench.
5. Secure the tray cable with cable ties.
Use multiple cable ties to minimize disturbance to the wires through
casual contact.
Use at least four cable ties, a minimum of 10.16 centimeters (4 in)
apart, with the Þrst within 15.24 centimeters (6 in) of the terminal
block. Figure 2-4 shows the cable tie mount next to the fuse.
6. Connect the tray cable to the DC power source.
The LEDs on the front panel ßash as the Solo E1 DSU automatically
runs the Self Test. The pwr/test LED blinks yellow and then
illuminates green when the test is successful. If the test fails, the LED
illuminates red for 10 seconds and then illuminates green.
CAUTION: Verify that the connections are:
¥ DC source negative (-) to Solo E1 DSU
negative (-)
¥ DC source positive (+) to Solo E1 DSU
positive (+)