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ADAT Optical Inputs
The ADAT inputs support 16 channels at either 44.1/48 kHz via two receiver inputs, or 88.2/96 kHz via all four
receiver inputs using the S/MUX protocol. S/MUX is essentially "double-wide mode for ADAT", where a pair of
channels at (for example) 48 kHz will carry one 96 kHz signal. A single 8 channel input then becomes 4 channels
in S/MUX mode. When looking at the rear panel, the following illustrates the connection scheme for either
mode. Each box represents one of the four connectors.
ADAT "Normal" Mode
S/MUX Mode
TDIF Connectors
The two TDIF DB25 I/O connectors use only the input half of a standard TDIF cable. Each cable carries in eight
channels of audio per bank.
Analog Pinout
The Analog DB25 connectors use the TASCAM cable specification. The pinout
is as follows:
Function
+Pin (Hot) –Pin (Cold)
Channel 1
24
Channel 2
10
Channel 3
21
Channel 4
Channel 5
18
Channel 6
Channel 7
15
Channel 8
Ground: 2, 5, 8, 11, 16, 19, 22, 25
Apogee DA-16 User's Guide
Channels 1-8
Channels 1-4
12
23
9
7
20
6
4
17
3
1
14
Not Used
Channels 9-16
Channels 5-8
Channels 9-12 Channels 13-16
Page 14
Not Used
8-CH. D/A
MALE DB25
1
CH8+
14
CH8-
2
CH8G
15
CH7+
3
CH7-
16
CH7G
4
CH6+
17
CH6-
5
CH6G
18
CH5+
6
CH5-
19
CH5G
7
CH4+
20
CH4-
8
CH4G
21
CH3+
9
CH3-
22
CH3G
10
CH2+
23
CH2-
11
CH2G
24
CH1+
12
CH1-
25
CH1G
13
OPEN
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