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Appendix B. Specifications Summary
Transparent
Asynchronous transparent
BOP transparent (HDLC)
Network Protocol Encapsulation
Routed protocols (IP and IBM) use FRF 3.1 format.
All other protocols use proprietary formats and require ADTRAN
devices at each UNI.
Data Flow Control
Synchronous: clock slowing
Asynchronous: CTS
Diagnostics
CSU and DSU loopbacks
IP ping mode
Voice tests
PVC loopback
Line Requirements
Network Interface
Loop transmission parameters as defined in
AT&T PUB 62310: Dedicated DDS
DBU Interfaces
AT&T PUB 4146B: Switched 56
RJ-48S, 4-wire, full duplex
V.34: RJ-11
ISDN: RJ-11
Receiver Sensitivity
-45 dB at all rates
B-4
Express 5210 User Manual
61200208L1-1
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