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Dual E&M
2- or 4-wire
Type I and II E&M signaling
Protocol Support
Concentrator
Frame relay
IBM Support
SNA/SDLC with local spoofing
SDLC/HDLC transparent
SDLC-LLC2 translation
Supports up to 20 SDLC PUs on each DTE port
LAN Protocol
SLIP
IP-PPP asynchronous or synchronous
Transparent
Asynchronous transparent
BOP transparent (HDLC)
Protocol Encapsulation
IP (SLIP and PPP) and LLC2 protocols are encapsulated using RFC
1490 formats.
All other protocols use proprietary formats and require ADTRAN
devices at each UNI.
Data Flow Control
Synchronous: clock slowing
Asynchronous: CTS or XON/XOFF
Diagnostics
CSU and DSU loopbacks
IP ping mode
61202175L1-1
Express 5200 User Manual
Appendix B.Specifications Summary
B-3
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