Comtech EF Data RSU-503 - Manual (Page 46)

Rev. 8 4–1
4
Chapter 4.
MAINTENANCE
This chapter provides information on the following:
•
Internal switches, indicators, and connections
•
How to service the switch with the power on
•
Troubleshooting
Note: Under normal conditions, this switch does not require periodic or preventive
maintenance. Most problems, if any, will arise during the initial installation. These
problems will most often be due to improper cabling, waveguide wiring, or indicator
positions.
4.1 Internal Switches
The switch does not have any external switches or controls. The internal switches
(shown in Figure 4-1) are not normally used by the operator. However, if the switch must
be opened, descriptions of the four push-button switches are provided in the following
table.
Switch Description
UL AUTO/MAN Depress to alternate between Uplink Auto and Manual.
UL A/B ONLINE Depress to alternate between A and B uplink online.
DL AUTO/MAN Depress to alternate between downlink Auto and Manual.
DL A/B ONLINE Depress to alternate between A and B downlink online.