A ppendix D. Specifications

Nx56/ 64 D rop Port Interface

Nx56/ 64 (V.35 Interface)

 

Electrical

CCITT V.35 Synchronous, V.11 (x.21), EIA

 

530

Rates

56kbps - 1.984Mbps 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

 

consecutive zeros from DTE. User

 

selectable (On/Off)

CTS, DCD, DSR

Normal or Force On

Connector

DB 25

D rop Port Interface

 

Electrical G.703

 

Framing G.704

CRC-4, FAS,CAS

Jitter

G.823

Line Code

HDB3

Mechanical

120 Ω - DB15

D -2

ESU 120e User Manual

1200420L1-1

Page 116
Image 116
ADTRAN ESU 120e user manual Nx56/ 64 D rop Port Interface, Nx56/ 64 V.35 Interface, Cts, Dcd, Dsr, Rop Port Interface