Adtran TRC6420L2X Manual De Usuario
Section 3 Engineering Guidelines
TRACER 6000 Series Integrated System Manual
38
Copyright © 2005 ADTRAN, Inc.
612806420L1-1E
4xE1 Module with 120
Ω
Interface
The 4xE1 network module provides four E1 interfaces (through four RJ-45 connectors) that provide the
following functions:
following functions:
•
AMI or HDB3 coding
•
Framed, multi-framed, and unframed framing support
•
Network performance monitoring and reporting
•
Test loopbacks (both line and link)
Table 12 provides the RJ-45 interface pinout for the 4xE1 network module.
4xE1 Module with 75
Ω
Interface
The 4xE1 network module provides four E1 interfaces (through a single DB-25 interface) that provide the
following functions:
following functions:
•
AMI or HDB3 coding
•
Framed, multi-framed, and unframed framing support
•
Network performance monitoring and reporting
•
Test loopbacks (both line and link)
Table 13 on page 39 provides the DB-25 interface pinout for the 4xE1 network module. A separate
breakout panel is available to provide 75
breakout panel is available to provide 75
Ω BNC unbalanced interfaces (see Table 14 on page 39 for the
pinout of the 75
Ω cable). Figure 4 displays the E1 breakout panel.
Table 12. 4xE1 Module with 120
Ω
Interface RJ-45 Connector Pinout
Pin
Name
Description
1
TX Tip
Transmit signal (Tip)
2
TX Ring
Transmit signal (Ring)
3
Unused
—
4
RX Tip
Receive signal (Tip)
5
RX Ring
Receive signal (Ring)
6–8
Unused
—