User's Manual

Confidential & Proprietary 28/87
2. RF Monitor Port
20dB Coupling compared with TX Input Level
20dB Coupling compared with RX Output Level
3. Alarm LED & Reset
Communication state with devices, alarm status of the system and reset
switch
4. NMS(RS-232C port)
RS-232C port for communication and diagnosis of devices through
PC/laptop
5. NMS(Ethernet port)
Ethernet port for upper network
This equipment is indoor use and all the communication wirings are
limited to inside of the building
6. Pwr Test Port & ALM Output DC power test port and ALM LED to show abnormal state, if any
7. Power switch Power ON/OFF switch
2) Rear panel
Figure 4.8 – Rear panel Outer Look
Item Description
1. External ALM Port Input/output terminal for dry contact
2. GSM Modem Port GSM Modem terminal for upper network (Optional)
3. V/UHF I/O Port RF signal interface terminal of VHF&UHF
4. ODU I/O Port RF signal interface terminal for ODU
5. ODU signal Port Power and signal interface terminal for ODU
6. BTS/BDA I/O Port Input/output interface terminal of BTS/BDA