Nortel Networks i2021 Series - Manual (Page 14)

i2021 ISDN Teleset
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Fig. 6: Terminating Resistor Settings for Farthest Teleset
In the following application, the NT1 is equal in distance to both
i2021 phones. The Terminating Resistors are set to “On” at one of
the phones and at the NT1.
Fig. 7: Terminating Resistor Settings for Equal Distance Telesets
Line Configuration
To ensure the proper operation of your Teleset, several operating
parameters must be met. This information can be provided by your
system administrator or service provider.
n SERVICE PROFILE IDENTIFIER (SPID)
A service profile for your Teleset that is recognized by the switch.
Some switches support AutoSPID. If your switch supports AutoSPID,