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M7CL Owner’s Manual
Input/output characteristics
294
❏ Analog Output Characteristics
*1. XLR-3-32 type connectors are balanced. (1=GND, 2=HOT, 3=COLD)
*2. PHONES stereo phone jack is unbalanced. (Tip=LEFT, Ring=RIGHT, Sleeve=GND)
*3. There are switches inside the body to preset the maximum output level.
*4. The position of the level control is 10 dB lowered from Max.
* In these specifications, 0 dBu = 0.775 Vrms.
* All output DA converters are 24 bit, 128 times oversampling.
❏ Digital Input & Output Characteristics
*1. The channel status of 2TR OUT DIGITAL is described on page 294.
*2. XLR-3-32 type connectors are balanced. (1=GND, 2=HOT, 3=COLD)
*3. IN, OUT
• Channel Status of 2TR OUT DIGITAL
❏ Control I/O Characteristics
*1. 4pin=HOT, 3pin=COLD, Lamp rating 5 W, Voltage control by software
Output Terminals
Actual Source
Impedance
For Use With
Nominal
GAIN SW
*3
Output Level
Connector
Nominal Max. Before Clip
OMNI OUT 1-16 <M7CL-32/48>
OMNI OUT 1-8 <M7CL-48ES>
75 Ω 600 Ω Lines
+24 dB (default) +4 dBu (1.23 V) +24 dBu (12.3 V)
XLR-3-32 type
(Balanced)
*1
+18 dB –2 dBu (616 mV) +18 dBu (6.16 V)
PHONES 15 Ω
8 Ω Phones
—
75 mW
*4
150 mW
Stereo Phone Jack (TRS)
(Unbalanced)
*2
40 Ω Phones
65 mW
*4
150 mW
Terminal Format Data Length Level Audio Connector
2TR OUT DIGITAL
*1
AES/EBU
AES/EBU
Professional Use
*1
24 bit RS422 —
XLR-3-32 type
(Balanced)
*2
EtherSound <M7CL-48ES> Ethersound 24 bit 100Base-TX 48ch Input/24ch Output @48kHz
etherCON
*3
byte bit field name fixed/variable data description
0
0 Block Format
fixed
1 professional use
1 Mode 0 audio
2-4 Emphasis 0x4 off
5 Fs Lock 0 lock
6-7 Sampling Frequency variable
0x0 others
0x3 32 kHz
0x2 44.1 kHz
0x1 48 kHz
1
0-3 Channel Mode
fixed
0x1 2ch mode
4-7 Users Bit Management 0x0 —
2
0-2 Use of AUX
fixed
0x1 24 bits Audio Data
3-7 Source 0x00 —
3 0-7 Multi Channel fixed 0x00 —
4
0-1 Digital Audio Reference Signal
fixed
0x0
—
2— 0
3-6 Sampling Frequency variable 0x0 others
7 Sampling Frequency Scan Flag fixed 0 —
Terminal Format Level Connector
NETWORK
IEEE802.3
—
RJ-45
3rd Port <M7CL-48ES>
MIDI
IN
MIDI DIN Connector 5P
OUT
WORD CLOCK
IN
—
TTL/75Ω
BNC Connector
OUT TTL/75Ω
REMOTE <M7CL-32/48> — RS422 D-Sub Connector 9P (Male)
LAMP 1 (32ch), 2 (48ch) — 0 V - 12 V
XLR-4-31 type
*1
USB HOST USB 1.1 — A type USB Connector