Hayes Microcomputer Products DIVA T/A - Manual (Page 79)

DIVA T/A PC Card User’s Guide 79
Multiple ISDN Devices
If the external NT1 is connected to more than one ISDN device,
follow the procedures below.
75 meters or more
If the connection spans 75 meters (250 feet) or more, connect the 100-
ohm terminating resistor included with the S/T interface cable. Set the
other ISDN devices to 100 ohms of resistance, and the external NT1
to no resistance. Consult the manuals provided with the ISDN device
and external NT1 for more details.
Note: Some external NT1s do not support connections over 75 meters
(250 feet). Check your user documentation to determine the distance
supported
75 meters or less
If the connection spans less than 75 meters (250 feet), set the external
NT1 to 50 ohms of resistance, and do not connect the terminating
resistor. Set the other ISDN devices to no resistance. Consult the
manuals provided with the external NT1 and other ISDN devices for
more detailed instructions
.