1. MIC/LINE IN 1, 2: XLR 3-pin, TRS balanced complex type,
Male
• Analog audio signal (balanced)
• Reference input level: –44 dBu, –20 dBu, +4 dBu
• Input impedance: Higher than 3.3 kΩ
XLR 3-pin
Pin
No.
Signal name
1 GND
2 HOT
3 COLD
6.3 mm TRS phone
• Chip: HOT
• Ring: COLD
• Sleeve: GND
2. MIC/LINE IN 3 to 6: 6.3 mm TRS phone
• Analog audio signal (balanced)
• Reference input level: –44 dBu, –20 dBu, +4 dBu
• Input impedance: Higher than 3.3 kΩ
• Chip: HOT
• Ring: COLD
• Sleeve: GND
3. LINE IN 7, 8: Phone jack
• Analog audio signal (unbalanced)
• Reference input level: –10 dBu
• Input impedance: Higher than 10 kΩ
4. PGM OUT L, R: XLR 3-pin, Female
• Analog audio signal (balanced)
• Reference output level: +4 dBu (With 10 kΩ load)
• Maximum output level: +24 dBu
• Output impedance: 150 Ω
• Chip: HOT
• Ring: COLD
• Sleeve: GND
5. AUX OUT 1, 2: 6.3 mm TRS phone
• Analog audio signal (balanced)
• Reference output level: +4 dBu (With 10 kΩ load)
• Maximum output level: +24 dBu
• Output impedance: 150 Ω
• Chip: HOT
• Ring: COLD
• Sleeve: GND
6. MIX OUT L, R: Phone jack
• Analog audio signal (unbalanced)
• Reference output level: +10 dBu （With 10 kΩ load）
• Maximum output level: +10 dBu
• Output impedance: 470 Ω
7. MON OUT L, R: 6.3 mm TRS phone
• Analog audio signal (balanced)
• Reference output level: +4 dBu (With 10 kΩ load)
• Maximum output level: +24 dBu
• Output impedance: 150 Ω
• Chip: HOT
• Ring: COLD
• Sleeve: GND
8. HEADPHONES: Standard stereo phone
• Headphone output (unbalanced)
• Maximum output: 25 ｍ W x 2（With 16 Ω load）
• Chip: HOT
• Ring: COLD
• Sleeve: GND
9. USB: USB （Type A）
Pin
No.
Signal
name
Input/
Out-
put
Function
1 +5V — USB Vcc
2 D – I/O USB DATA –
3 D + I/O USB DATA +
4 GND — Ground
10. REMOTE: RS-232C (D-sub 9-pin, Male)
Pin
No.
Signal
name
Input/
Out-
put
Function
1 — — No Connection
2 RX I Received data
3 TX O Transmitted data
4 DTR O Data terminal ready
5 GND — Ground
6 DSR I Data set ready
7 RTS O Request to send
8 CTS I Clear to send
9 — — No connection
MCS-8M
1-5
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