Icom IC-7100 Instruction Manual - Page 20
◇ ACC socket information, VSEND Select, ACC/USB Output Select - mod
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1 PANEL DESCRIPTION Main unit - Rear panel (Continued) DDACC socket information • ACC socket ACC PIN No. 1 2 13 9 10 11 12 5678 1234 3 Rear panel view q brown i gray w red o white e orange !0 black 4 r yellow !1 pink t green !2 light 5 y blue blue u purple !3 light green 6 NAME DESCRIPTION SPECIFICATIONS 8 V Regulated 8 V output. Output voltage: Output current: 8 V ± 0.3 V Less than 10 mA GND Connects to ground. --- HSEND *1, 2 Input/out- An external equipment controls the transceiver. When this pin goes low, the transceiver transmits. Input voltage (High): Input voltage (Low): Current flow: 2.0 V to 20.0 V -0.5 V to +0.8 V Maximum 20 mA put pin. The transceiver outputs a low signal to control Output voltage (Low): Current flow: Less than 0.1 V Maximum 200 mA external equipment. BDT Data line for the optional AT-180. --- NC *3 If the modification is performed, (BAND*3) band voltage output. (AI sec. 19) Output voltage: --- 0 to 8 V ALC ALC voltage input. Control voltage: Input impedance: -4 V to 0 V More than 3.3 k˘ Color refers to An external equipment Input voltage (High): 2.0 V to 20.0 V the cable strands controls the transceiver. Input voltage (Low): -0.5 V to +0.8 V of the supplied cable. 7 VSEND *1, 2 Input/out- When this pin goes low, the transceiver transmits. Current flow: put pin. Maximum 20 mA The transceiver outputs Output voltage (Low): Less than 0.1 V a low signal to control Current flow: Maximum 200 mA external equipment. 8 13.8 V 13.8 V output when power is ON. Output current: Less than 1 A 9 TKEY Key line for the optional AT-180. --- 10 FSKK Controls RTTY keying "High" level: "Low" level: Output current: More than 2.4 V Less than 0.6 V Less than 2 mA 11 MOD Modulator input. Input impedance: Input level: 10 k˘ Approx. 100 mV rms 12 AF*3 AF detector output. Fixed level, regardless of the [AF] Output impedance: Output level: control position. 4.7 k˘ 100 to 300 mV rms 13 SQL S Squelch output. Grounded when squelch opens. SQL open: SQL closed: Less than 0.3 V/5 mA More than 6.0 V/100 µA *1 W hen the SEND terminal controls the inductive load (such as a relay), a counter-electromotive force can cause the transceiver's malfunction or damage. To prevent this, we recommend adding a switching diode, such as an "1SS133," on the load side of the circuit to the counter-electromotive force absorption. When the diode is added, a switching delay of the relay may occur. Be sure to check its switching action before operation. [Example] ACC socket eHSEND or Switching diode To a non-Icom linear amplifier uVSEND i13.8 V Relay *2 V SEND is used for the 144 MHz and 430 MHz bands, and HSEND is used for the HF, 50/70 MHz bands by default. You can change this setting in "VSEND Select" of the "Connectors" Set mode. (p. 6-8) SET > Connectors > VSEND Select *3 Y ou can change this setting in "ACC/USB Output Select" of the "Connectors" Set mode. (p. 6-8) SET > Connectors > ACC/USB Output Select 1-16