Netgear RT211 사용자 설명서
Reference Guide for the Model RT210/RT211 ISDN Routers
Installing and Connecting
2-3
ISDN Services Checklist
The following requirements must be met if you connect your router to other routers through ISDN.
European Services
•
Your ISDN circuit should conform to EURO-ISDN, NET3, or I-CTR3 standards.
•
You should know the ISDN number(s) of your local and remote sites.
•
If you require CLI (Caller Line Identification) for security, order the CLI option from your
local carrier.
local carrier.
•
If possible, place your order so that both B channels have the same ISDN number. Giving both
B channels the same ISDN number, which is known as auxiliary working, can speed up
connect times.
B channels the same ISDN number, which is known as auxiliary working, can speed up
connect times.
North American Services
In North America, you must configure your ISDN ports on the NETGEAR Model RT210 and
Model RT211 ISDN routers according to the type of switch your telephone company has in its
local central office. For further information, refer to
Model RT211 ISDN routers according to the type of switch your telephone company has in its
local central office. For further information, refer to
You need the following information from your telephone company:
•
The type of switch at your telephone company
Either AT&T 5ESS, Northern Telecom DMS-100, Northern Telecom DMS-250, or Siemens
EWSD.
EWSD.
•
Configuration mode of your ISDN line
Whether your line is configured in the standard National ISDN mode, or whether it is
configured in a manufacturer-specific custom mode.
configured in a manufacturer-specific custom mode.
•
Directory number(s) that you are assigned
The local directory number(s) assigned to the line.
•
Service Profile Identifiers (SPIDs) assigned to your devices
The SPIDs associated with the directory numbers.
NGRRT210.BK Page 3 Friday, October 17, 1997 2:37 PM