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B-8
A
PPENDIX
Table B-2 S Registers (continued)
Registers Descriptions
S79
Call Drop:
0 — Disabled
62 — (default)
*
S80
Multilink PPP:
0 — Disabled
1 — Enabled (default)
*
S82
Multilink PPP Endpoint Discriminator Class:
The 3C882 ISDN modem automatically sets the Endpoint Discriminator Class
to 5.
1 — Locally Assigned Address
2 — Internet Protocol (IP) Address
3 — IEEE 802.1 Globally Assigned MAC Address
4 — PPP Magic-Number Block
5 — Public Switched Network Directory Number (default)
*
S83
Multilink PPP Endpoint Discriminator Value (up to 20 characters)
By default, the 3C882 ISDN modem automatically sets the Endpoint
Discriminator value to the first telephone number. If your endpoint identifier
class is not 5, obtain the identifier from your service provider and enter that
information in this register.
S84
Challenge Handshake Authentication Protocol (CHAP)
0— Enabled
1— Disabled (default)
* The values of these S registers are stored in nonvolatile memory and will not be cleared or
returned to the default value if the ISDN modem is powered down.
† Users of Pacific Bell ISDN service may need to set S registers 77, 78, and 79 to specific values.
Check with Pacific Bell for the appropriate configurations.
B: AT C
, S R
OMMANDS
,
R
EGISTERS
AND
ESULT
C
ODES
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