Polycom VS4000 manual To install a Quad BRI network interface module, Network interface

Administrator’s Guide for ViewStation EX, ViewStation FX, and VS4000

To install a Quad BRI network interface module:

1. Make sure your system is powered off.

2. Connect the system side of the Quad BRI network interface module to the system using the network interface cable that is color-coded light blue on one end, green on the other.

Quad BRI

System side

ViewStation EX ViewStation FX

2	0101		4	3
		2		0101
3.3V	7A	3.3V	7A
12V	3A	12V	3A
	1			1
XVGA		XVGA
4		4
2		2

Network interface Network interface

VS4000

1

Y Y

C C

1 4 2

1 2 3

4

XVGA

0101

5

4

3

Network interface

3.Connect the network side of the Quad BRI network interface module to the NT-1 device or to the ISDN network, as appropriate. If you do not connect BRI lines to all four ports, connect the ports in ascending order.

4.If you are using an NT-1 device, connect it to the ISDN network.

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