ADTRAN Express 5200 User Manual page 68

Frame relay service unit
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Chapter 6. DTE Port Configuration
Bit Rate
Select the operating speed of the
The bit rate selections vary depending on the speed selections made for the
Network
card is required.
TD Clock Source (TD CLOCK SRC)
Set the clock source to internal or external.
Transmit Idle Code (TX IDLE CODE)
Enable the Express 5200 to transmit flags or all ones. When
operating the SDLC protocol, all O
Hardware Flow Control (HDW FLOW CTRL)
When configured for the SDLC protocol, this parameter is always
enabled. The Express 5200 issues RNR (receive not ready)
commands to the attached PU, temporarily disabling transmit data
to the Express 5200.
6-8
port. Also, for rates higher than 56/64 kbps, the External DCE
Express 5200 User Manual
interface.
DTE
is the recommended option.
NES
61202175L1-1

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