S&C Instruction Sheet 461-509 13
Installing and Replacing a Radio
STEP 4. Attach the antenna connector to the user-furnished radio. If using the standard
S&C-provided antenna, the applicable leads are LTE 1 (890- to 960-MHz/
1710- to 2700-MHz bands) and LTE 2 (diversity). If using a remote antenna, use
the leads from the surge-suppressor connector. Refer to the “Installing Remote
Antenna Kits” section on page 16 for further information.
Note: Radios may be pre-programmed or may need to be programmed via a
physical cable or over the air. When programming via a physical cable, if the
radio is already installed in the gateway box, remove the radio-tray assembly
so the cable connection to the radio becomes easier. When programming is
complete, reinstall the radio-tray assembly and replace and securely tighten
the four 8/32-inch bolts.
STEP 5. Replace the ac line fuse located at the lower right corner of the gateway box.
Reconnect the ac cable connector.
Follow these steps to replace a radio in the gateway:
STEP 1. Disconnect the ac power cable connected to the bottom of the gateway and then
disconnect the ac-line fuse located at the lower right corner of the gateway box.
See Figure 4 on page 12.
STEP 2. Remove the existing eld-area network radio. See Figure 4 on page 12.
(a) Disconnect the power plug from its receptacle.
(b) As applicable, disconnect the Ethernet connector or the serial connector
from the receptacles on the radio.
(c) Disconnect the antenna connector.
(d) Remove the radio from the mounting plate.
STEP 3. Install the new radio. Follow the procedure outlined in the “Installing a New
Radio” section on page 12.
Note: S&C recommends the new radio be programmed before installation to
match the configuration of the previous radio.
STEP 4. Replace the ac line fuse located at the lower right corner of the gateway box.
Reconnect the ac cable connector.
Replacing a Radio
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