ETU-02

Specifications

Technical Specification

E1 2Mbps Link

User Data Channels

Framing - Unframed / Framed, CCS or CAS, CRC4 on or off
Bit rate - 2.048Mbps
Line Code - Either HDB3 or AMI
Line Impedance - 75 Ohm BNC or 120 Ohm 15 way D-type
Jitter Performance - According to CCITT G.823
Compliance - CCITT G.703, G.704, G.706 and G.732

Front Panel

Control Key Pad - 4 Operation Keys
LCD - 16 x 2 Characters
LED Status Display - 13 Status LED's

Number of Ports - ETU-02-MUX-2 - 2 Ports, ETU-02-MUX-4 - 4 Ports
Interface Types - X.21, V.35 RS422 and 10BaseT
Line Code - NRZ
Data Rate - n x 56Kbps or n x 64Kbps
Time Slot Allocation - User defined

Diagnostics

Loopback: Line Loopback,
Payload Loopback,
Local Loopback,
DTE Loopback
Test patterns - 511, QRSS, 3 in 24, 2 in 8, 1:1 test patterns

Ordering Information

ETU-02-MUX-2: 2Mbps E1 Multiplexer - 2 DTE Ports
ETU-02-MUX-4: 2Mbps E1 Multiplexer - 4 DTE Ports
ETU-02-MUX/X21: X.21 Interface for ETU-02-MUX
ETU-02-MUX/V35: V.35 Interface for ETU-02-MUX
ETU-02-MUX/449: RS449 Interface for ETU-02-MUX
ETU-02-MUX/ET10: 10BaseT Interface for ETU-02-MUX