
Configuring WAN Line Services
7-18
117345-B Rev. 00
• The NRZI type setting for:
-- The host side if the line-encoding settings of the host and CPE do not
match
-- The remote access side if the line-encoding settings of the controller and
CPE do not match
You need these settings to set the NRZI Type logical line parameter. Valid
options are Mark or Space.
Like the NRZ Enabled parameter, the NRZI Type on a router connecting a
host side is unrelated to and can differ from that connecting a remote access
side. The subscriber’s host and remote access settings can also be different.
Figure 7-4. SDLC Connection Using Frame Relay over T1 Lines
CPE CPE
Frame Relay
over T1
Frame Relay
over T1
IBM
host
Controller
PC
PC PC
SDLC
SDLC
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