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Chapter 3
Installation
Section 3.9
DDS Ports: RJ45
The RX1501 supports DDS port line modules with RJ45 connections. The 56 kbps DDS port is compatible with
Bellcore standards. Each DDS module features a single 56/64 kbps DDS line interface with a standard RJ45
receptacle.
Figure 53: RJ45 DDS Pin Configuration
Section 3.10
DDS Rx and Tx LED Indications
The DDS module features Rx and Tx LED indicators that display transmit and receive status.
Figure 54: DDS Module Rx and Tx LED Indicators
The following tables describe the DDS module Rx and Tx LED status indications:
Table 10: DDS Rx LED Indications
Rx LED Color
GREEN
YELLOW
RED
OFF
26
Status
Frame sync detected and signal OK.
Signal OK, but no frame sync.
Loss of signal.
The interface is not enabled.
Table 9: RJ45 DDS Pin Assignment
RJ45 Pin
1
R1: Transmit data to network (Ring 1)
2
T1: Transmit data to network (Tip 1)
3
4
5
6
7
T: Receive data from network (Tip)
8
R: Receive data from network (Ring)
RuggedBackbone™ RX1501
Installation Guide
Description
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DDS Ports: RJ45
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