User's Manual Part 1

Advanced RF Technologies, Inc.

Figure 3-22 Ports at the back panel (Master RU)

3.2.1.3 Optic Port

 Connets to ADX-H-OPT-8, ADX-H-OPT-4, or ADX-R-OEU via optic line

3.2.1.4 Power On/Off Switch & DC IN Port

 Power On/Off switch

- Master RU Power On/Off switch

 DC IN Port

- Connects to DC output port of AC/DC adapter (ADX-R-ADP-30) or RU PSU (ADX-R-PSU-30)

3.2.1.5 PSU Alarm Port

 Connects to the ADX-R-PSU-30

 The ADX-H-NMS and the Master RU can monitor the status of the ADX-H-PSU-30 via this port

3.2.1.6 GUI Port

 Connects to a laptop via USB cable

 Monitor/control the RU and the HE connected to the RU using User GUI, which is a Windows based program.

ADRF 32-bit or 64-bit drivers will also be required to access the RU using the User GUI.

3.2.1.7 RS-485 Port

 Slave RU should be connected to master RU in a diasy chain structure using RS-485 line to monitor and control

slave RUs.

 The RS-485 cable connected to master RU should be connected to RS-485 IN port of slave RU. When a slave

RU is connected to another slave RU, then the RS-485 cable should be connected from the RS-485 OUT port to

the RS-485 IN of the 2

Slave RU. (Figure 3-23)

 If RS-485 port connections between Remote Modules are not correct, master RU will not be able to recognize

all subordinate slave RUs. (Figure 3-24)

 WARNING! The RS-485 ports should NEVER be connected to the Ethernet port of laptop or Ethernet Network

Equipment. Doing so may cause serious damage to the Remote Modules or network equipments. (Figure

3-25)

POWER

SOFT FAIL

HARD FAIL

COMM

OPTIC FAIL

DC IN +27V

PSU ALARM

RS-485GUI

OPTIC

ON/OFF

1 2 3 4

ADDR

DANGER