Belden Grass Valley NV8900, Руководство пользователя

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22
Specifications
Connectors
Serial Connector
The serial connector for all NV8900 MADI Interfaces has this pinout:
The connector is RS-485, female, but can be used as RS-422.
However, the port is unused and reserved for future expansion.
Balanced AES Connectors
Balanced AES inputs and outputs use 110
Ω
DB25 connectors, all female. Each connector
supports 8 inputs (or outputs):
Analog Audio Connectors
Analog audio inputs and outputs use 110
Ω
DB25 connectors, all female. Each connector
supports 8 inputs (or outputs):
The inputs are paired consecutively:
(L1,R1) = ports 1 and 2 (L2,R2) = ports 3 and 4
(L3,R3) = ports 5 and 6 (L4,R4) = ports 7 and 8
5
1
6
9
Gnd
TX–
RX+
Gnd
n.c.
Gnd
TX+
RX–
Gnd
(n.c.) 13
No. 2
No. 4
No. 8
No. 6
11
23
10
8
20
7
5
17
4
2
14
1
No. 1
No. 3
No. 7
No. 5
25
12
24
22
9
21
19
6
18
16
3
15
1
14 25
SHIELD
–
+
SHIELD
–
+
SHIELD
–
+
SHIELD
–
+
SHIELD
–
+
SHIELD
–
+
SHIELD
–
+
SHIELD
–
+
No. 2
(R1)
13 (n.c.)
No. 4
(R2)
No. 8
(R4)
No. 6
(R3)
11
23
10
8
20
7
5
17
4
2
14
1
No. 1
(L1)
No. 3
(L2)
No. 7
(L4)
No. 5
(L3)
25
12
24
22
9
21
19
6
18
16
3
15
1
14 25
SHIELD
–
+
SHIELD
–
+
SHIELD
–
+
SHIELD
–
+
SHIELD
–
+
SHIELD
–
+
SHIELD
–
+
SHIELD
–
+