Appendix B Controller Configurations
RFI-148 250W VHF Paging Transmitter User Manual
Page 29 of 43
Appendix B
Controller Configurations
The following section provides example wiring between the transmitter and some common controllers.
B.1 Motorola NIU Controller / FLEX Mode
External NIU(TB3, TB4)
Transmitter (LIU, DB37)
TB3-2: Tx Clock
DB37-18: TX SYNC CLK
TB3-4: Tx key
DB37-11: TX ON EXT
TB3-8: GND
DB37-19: GND
TB4-2: Rx FQ1
DB37-16: TX DATA H-BIT
TB4-3: Rx FQ2
DB37-15: TX DATA L-BIT
Table 8: Motorola NIU controller / FLEX mode connection
B.2 Glenayre C2000 Controller / FLEX Mode
C2000 (J4)
Transmitter (LIU, DB37)
J4-10: GND
DB37-19: GND
J4-26: TXKEY+
DB37-11: TX ON EXT
J4-3: TD0+, MSB
DB37-15: TX DATA L-BIT
J4-34: TD1+, LSB
DB37-16: TX DATA H-BIT
J4-18: Data Clock+ DB37-18: TX SYNC CLK
J4-7: Freq2
DB37-6: FREQ SEL LINE 3
J4-6: Freq1
DB37-7: FREQ SEL LINE 2
J4-36: Freq0
DB37-8: FREQ SEL LINE 1
Table 9: Glenayre C2000 controller / FLEX Mode connection
B.3 Glenayre C2000 Controller / POCSAG Mode
Encoder
Transmitter (LIU, DB37)
Tx Data
DB37-15: TX DATA L-BIT
PTT
DB37-11: TX ON EXT
GND
DB37-19: GND
Table 10: Glenayre C2000 controller / POCSAG mode connection