User's Manual

Controller Configurations
RFI-148 & RFI-900 High Output Power Paging Transmitters User Manual Page 64 of 134
Appendix B. Controller Configurations
The following section provides example wiring between the transmitter and some common controllers.
B.1 Motorola NIU Controller / FLEX 4 Level Mode Legacy
External NIU(TB3, TB4)
Transmitter (LIU, DC37)
TB3-2: Tx Clock
DC37-18: CLK
TB3-4: Tx key
DC37-11: PTT
TB3-8: GND
DC37-19: GND
TB4-2: Rx FQ1
DC37-15: LB
TB4-3: Rx FQ2
DC37-16: HB
Table 24: Motorola NIU Controller / FLEX Mode Connection
B.2 Glenayre C2000 Controller / FLEX 4 Level Mode Normal
Firmware 4.0 or later
4-Level Operation -> Normal
C2000 (J4)
Transmitter (LIU, DC37)
J4-10: GND
DC37-19: GND
J4-26: TXKEY+
DC37-11: PTT
J4-3: TD0+, MSB
DC37-15: LB
J4-34: TD1+, LSB
DC37-16: HB
J4-18: Data Clock+
DC37-18: CLK
J4-7: Freq2
DC37-6: CH3
J4-6: Freq1
DC37-7: CH2
J4-36: Freq0
DC37-8: CH1
Table 25: Glenayre C2000 Controller / FLEX Mode Normal Connection