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FiberLink 3380 Series User’s Manual
FiberLink 3380 Series
Balanced & Unbalanced Audio:
The FiberLink 3380 & 3381 have 25-pin DB-25F connector wired in a standard TASCAM
configuration for audio input/output . The units are designed for balanced or unbalanced
audio input and balanced or unbalanced audio output signals . When using an unbalanced
output, the signal level will be 6 dBu below the input . To get the full level, you will need to
utilize an external transformer or amplifier .
Balanced input/output connections are:
Hot(+), Cold (-), and Ground for each of the four channels .
Unbalanced signal connections should use: Hot(+) and Ground .
The Cold(-) input should be left open. The Cold(-) output should not have a
connection. Do not ground this output.
Analog Audio Input/Output Connections
Pin-out for TASCAM DB-25F
8 Channel Balanced Connector
13
12
11
10
9
8
7
6
5
4
3
2
1
25
24
23
22
21
20
19
18
17
16
15
14
1
2
3
4
5
6
These channels are not
supported by the 3380/3381
Series
7
8
C
G
H
C
G
H
C
G
H
C
G
H
G
H
C
G
H
C
G
H
C
G
H
C
G – Ground | C – Cold(-) | H – Hot(+)
