Pcb 750743 Or Pcb 750630 Revision C, D, E, And F; Jumper Settings; Pcb 750743 Or Pcb 750630 Pcb 750743 Or Pcb 750630 C, D, E, Andf; Revisionf - Telex IP-223 Technical Manual

Jumper Settings

PCB 750743 or PCB 750630 revision F
Line 1 Jumper Setting
J35 "A" = RS232 serial data, "B" = TTL

PCB 750743 or PCB 750630 revision C, D, E, and F

Line 1 Jumper Setting
J33, J34 2 or 4 Wire, "A" = 2-wire, "B" = 4-wire
J16, J21 RX Input, "A" = Single ended, "B" = Balanced
J14 RX Input Impedance, "A" = 600, "B" = 8 and Center = 10Kohm
J3, J9, J11 TX Output, "A" = Single ended, "B" = Balanced
J13 TX Output Level, "A" = Low, "B" = High
J8 Digital I/O Pull-up Voltage, "A" = +5, "B" = +12
J17, J22 TX Output Impedances: "B" = 600 ohms
(J17), J22 ("A") and "B" = 1.2K ohms
J17, (J22) "A" and ("B") = 1.8K ohms
J17, J22 "A" = 2.4K ohms
PCB 750630 revision A
Line 1 Jumper Setting
J33, J34 2 or 4 Wire, "A" = 2-wire, "B" = 4-wire
J15, J16,
RX Input, "A" = Single ended, "B" = Balanced
J21
J14, J23 RX Input Impedances: "B" = 10K ohms
(J14), J23 ("A") and "B" = 600 ohms
(J23), J14 ("A") and "B" = 8 ohm speaker
J3, J9,
TX Output, "A" =Single ended, "B" = Balanced
J10, J11
J13 TX Output Level, "A" = Low, "B" High
J8 Digital I/O Pull-up Voltage, "A" = +5, "B" = +12
124
Line 2
J26
Line 2
J5, J6
J19, J20
J24
J25, J28,
J29
J27
J30
J10, J15
(J10), J15
J10, (J15)
J10, J15
Line 2
J5, J6
J19, J20,
J22
J24, J17
(J24), J17
(J17), J24
J25, J26,
J28, J29
J27
J30