Set Up The Isdn Cables - PictureTel 970 Installation Manual

Set Up the ISDN Cables

Depending on the type of network cables you ordered, your system may have come with WAN cables, such as
ISDN, V.35, or RS-449 cables.
• If you have the four ISDN network cables, here's how to connect them:
In the bag with the ISDN cables, you'll find labels numbered 1, 2, 3, and 4. Attach these labels to each end of
the corresponding ISDN cable (that is, attach label 1 to the cable that's plugged into connector 1, and so on).
NT-1 Boxes: In the U.S. and Canada, most ISDN lines that come directly from an ISDN service provider are
U interface ISDN. Your system, however, supports S/T interface ISDN. An NT-1 box converts U interface
ISDN to S/T interface ISDN. If you need to use an NT-1 box, plug the ISDN cables into the NT-1 box, and
then plug the NT-1 box into the wall jack. See the instructions that came with the NT-1 box for more details.
1
o
8
A
8
4
2
1
7
VCR A/V
VGA
4
27
1
4
ISDN
WAN LAN