Appendix D. Specifications

Compatibility

T1 Interface

Pub 62411

ESF Format Interface

TR. 194

ESF Performance Monitoring

TR. 54016 and T1.403

Approvals

FCC Part 15, FCC Part 68, UL 1950

Nx/DBU Interface - Port 0.1-Nx56/64 (V.35 Interface)

DCE Interface

CCITT V.35 Synchronous

Rates

56kbps - 1.536Mbps in 56k or 64k increments

Clock Options

Normal/Inverted and internal/external

Tests

Local Loopback (bilateral); Remote Loopback (V.54)

Test Pattern

511 with errored seconds display and error inject capabil- ity

Data inversion

Menu selectable

1s Density Protection

Force 1s to network after one second of consecutive zeros from DTE. User selectable (On/Off)

CTS, DCD, DSR

Normal or Force On

D-2

TDU 120e User Manual

61202156L2-1

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Image 138
ADTRAN TDU 120e user manual Nx/DBU Interface Port 0.1-Nx56/64 V.35 Interface, Cts, Dcd, Dsr