ADTRAN TSU 120e - Manual (Page 130)

Appendix E. Specifications
E-2 TSU 120 User Manual 61202129L1-1
Nx56/64 (V.35 Interface)
DSX-1 Interface
DCE Interface CCITT V.35 Synchronous
Rates 56kbps - 1.536Mbps in 56k or 64k incre-
ments
Clock Options Normal/Inverted and internal/external
Tests Local Loopback (bilateral)Remote Loop-
back (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
consecutive zeros from DTE. User select-
able (On/Off)
CTS, DCD, DSR Normal or Force On
Connector Winchester (V.35) female (on the Y cable)
Line Interface DSX-1 per ANSI T1.102
DSX Receiver Input Range -10 dBdsx to +6 dBdsx
Line Rate 1.544 Mbps
Capacity 1 to 24 DS0s
Line Codes AMI, B8ZS
Framing ESF per ANSI T1.403 and
AT&TPub. TR 54016, D4 per
AT&T Pub. 62411
Line Length -7 dBdsx to 655 ft in 110 ft steps
Timing Supports network, secondary,
and CSU timing modes
Test Capability Line loopback, port loopback
(internal toward mux)
Connector RJ45
Test Jacks RX MON, RX and TX (toward
PBX)