Appendix E. Specifications

Nx56/64 (V.35 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)

DSX-1 Interface

 

 

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)

E-2

TSU 120 User Manual

61202129L1-1

Page 130
Image 130
ADTRAN TSU 120e user manual Nx56/64 V.35 Interface, Cts, Dcd, Dsr, DSX-1 Interface