User manual

Appendix D. Specifications
D-2 TDU 120e User Manual 61202156L1-1
Table D-2. Nx/DBU Interface - Port 0.1-Nx56/64 (V.35 Interface)
Name Description
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
capability
Data inversion Menu selectable
1s Density Protection Force 1s to network after one second of consecu-
tive zeros from DTE. User selectable (On/Off)
CTS, DCD, DSR Normal or Force On
Connector Winchester (V.35) female (on the Y cable)