User's Manual

G3L-850-180 MCPA Controls and Indicators
044-05454 Rev A 2-3
MCPA Connectors
The MCPA power, alarm, control, and RF connections are made through a D-sub combination male interface
connector located on the rear of the MCPA. Pin assignments are illustrated in Figure 2-2 MCPA Interface
Connector and listed in Table 2-3. Alarms are interpreted and generated by the MCPA and reported to the base
station as a system level alarm. The PC I/O RJ-11 connector is for factory use only.
Table 2-3 MCPA Connector Pinouts
Pin Function Pin Function
A1 RF Input (Coaxial Contact) 8 SUMMARY_FAULT (Fault info) TTL
A2 +27 VDC (Power Contact) 9 DC_ON/OFF (On/Off)
A3 Ground (Power Contact) 10 PAU_RST (System Reset) TTL
A4 RF Output (Coaxial Contact) 11 NC
1 TX_H (RS-485) 12 NC
2 TX_L (RS-485) 13 AMP_A0 (PAU ID)
3 GND 14 AMP_A1 (PAU ID)
4 RX_H (RS-485) 15 AMP_A2 (PAU ID)
5 RX_L (RS-485) 16 NC
6 GND 17 PAU_TEMP (Voltage for
Temperature Measurement)
7 MOD_DET (Module Detection)
123
A1
A2
A3
A4
456789
10 11 12 13 14 15 16 17
Figure 2-2 MCPA Interface Connector