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098-0347 Rev. B

Instruction Manual

223C Series Tone-Remote Adapters

Summary of Contents for 223C Series

Page 1: ...098 0347 Rev B Instruction Manual 223C Series Tone Remote Adapters...

Page 2: ...includes rack mounting case Model 223C PTT monitor PCB and three Model 224B two frequency expan sion PCBs RP 223C 8 Encased eight frequency PTT monitor adapter includes rack mounting case Model 223C...

Page 3: ...JP12 and JP13 both to the B po sition If a high impedance point in the receiver is used shielded cable is recommended If the speaker output is used move JP5 to B Note that when the speaker output is...

Page 4: ...one followed by a function tone frequency at 0 dBm for 40 ms followed by 2175 Hz at 20 dBm PTT holding tone for the du ration of PTT switch operation The guard tone and PTT tone signal path is from th...

Page 5: ...R28 and R46 preventing C16 from charging to timeout potential Upon a PTT command U6B 4 goes high and resets the monitor latch at U2B 13 through R47 and U6D 12 11 U2B 10 goes low and monitor relay K1 i...

Page 6: ...to state 6 223C Series 223C Series Specifications Operating Temperature Range 20 to 55 C for full specifications 30 to 70 C with reduced specifications Power Requirements 10 to 16 Vdc semiregulated Mo...

Page 7: ...RES RN55D 10 0K 1 1 4W R7 R12 R96 134 2837 RES RN55D 15 0K 1 1 4W R4 134 2852 RES RN55D 16 2K 1 1 4W R42 134 2874 RES RN55D 182 K 1 1 4W R82 134 2877 RES RN55D 20 0K 1 1 4W R16 R18 R35 R36 R40 R44 R67...

Page 8: ...442 1 1 4W R13 R18 136 0032 RES COMP 1K 5 1 4W R30 R31 161 0426 DIODE 1N4148 CR1 CR2 CR3 CR4 CR5 161 0573 DIODE LED T1 3 4 RED DIF DS1 DS2 180 0321 RELAY DPDT PCB 12V K1 K2 286 1766 CONN JUMPER PLUG...

Page 9: ...0710538c sch 1 Mon Nov 08 15 35 30 1999...

Page 10: ...0710560b sch 1 Mon Nov 08 15 30 21 1999...

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