RUGGEDCOM RX1500
Installation Guide
Chapter 3
Communication Ports
DDS (Digital Data Services) Modules 33
Section 3.7
DDS (Digital Data Services) Modules
The RX1500 can be equipped with a DDS port line module that supports 56 kbps (Master/Slave) and 64 kbps
(Slave) line rates.
Figure 48: 1 × DDS with RJ-48S Ports (D02)
1. Rx LED 2. Tx LED
Standards and Operating Modes
The module is compatible with the following standards:
• AT&T PUB 62310 (Standard DDS)
• BELLCORE TA-TSY-000077
• BELLCORE TR-TSY-000458
• ANSI T1.410
It also supports the following operating modes, which are configurable via the RUGGEDCOM ROX II user
interface:
Operating Mode Line Rate
DDS-PRI 56 kbps
CC-64K 72 kbps
LEDs
Each RJ-48S port features a RX and TX LED that indicates the state of the port.
LED LED Color Status
Rx
Tx
Green Connection established
Rx The interface is receiving an OOF (Out of Frame) alarm.
Tx
Yellow
The interface is in loopback mode.
Rx Red The interface is receiving an ALOS (Alarm Loss of Signal) or Red alarm (e.g.
corruption or loss of signal, connectivity loss, or no knowledge of connectivity).
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