Dial 64K sync, Dial 112K sync | ADTRAN ISU 128 instruction

Chapter 8. Quick Setup

Dial 64K sync*

When the ISU 128 is configured for Dial 64K sync service the following pa- rameters are automatically preset:

Service type	ISDN dial line
Automatic answering	Enabled
ISDN call type	64 kbps data
Data protocol	Clear Channel
DTE mode	Synchronous
DTE connector bit rate	64 kbps
DTE flow control	none
RTS line	1 msec delay
CTS line	Forced on
Transmit data clock	Normal clock source
V.54 Loopbacks	Accepted

Dial 112K sync*

When the ISU 128 is configured for Dial 112K sync service, the following pa- rameters are automatically preset:

Service type	ISDN dial line
Automatic answering	Enabled
ISDN call type	56 kbps data
Data protocol	BONDING mode 1
DTE mode	Synchronous
DTE connector bit rate	112 kbps
DTE flow control	none
RTS line	1 ms delay
CTS line	Forced on
Transmit data clock	Internal clock source
BONDING timer TXINIT	10 seconds
BONDING timer TXFA	10 seconds
BONDING timer TXADD01	50 seconds
BONDING timer TXDEQ	50 seconds
BONDING timer TANULL	10 seconds
BONDING timer TCID	5 seconds
V.54 Loopbacks	Accepted

61202.029L2-1

ISU 128 User Manual

ISU 128 specifications

The ADTRAN ISU 128 is a versatile and robust integrated service unit designed for network access solutions, particularly within telecommunications and enterprise environments. This unit plays a critical role in enabling high-speed data transmission, supporting various voice, video, and data services over traditional and next-generation networks.

One of the noteworthy features of the ADTRAN ISU 128 is its ability to aggregate multiple digital circuits into a single access point. It supports T1, E1, and fractional T1/E1 interfaces, making it a flexible choice for customers with different bandwidth needs. The unit allows for seamless migration from legacy systems to modern broadband services, ensuring that businesses can scale their operations without significant infrastructure changes.

The ADTRAN ISU 128 also excels in its support for various protocols, including Frame Relay and ATM, providing the necessary flexibility to adapt to different network architectures. This adaptability is essential for businesses that rely on diverse communication platforms to maintain connectivity and operational efficiency.

Another significant aspect of the ISU 128 is its built-in features for diagnostics and monitoring. The unit includes comprehensive loopback and performance monitoring capabilities, which enable network administrators to troubleshoot potential issues proactively. This functionality ensures a reliable connection and minimizes downtime, which is critical for maintaining service-level agreements (SLAs).

In terms of user interface, the ADTRAN ISU 128 is designed with ease of use in mind. The unit can be configured and managed through a web-based graphical user interface, allowing for straightforward remote access to settings and performance metrics. This capability facilitates quick adjustments and upgrades, helping to streamline network management tasks.

The ISU 128 is also built with a strong emphasis on reliability and durability. It is housed in a compact, rack-mountable design, making it suitable for various deployment environments. These characteristics, combined with support for redundant power supplies, enhance the unit's reliability in critical operations.

Overall, the ADTRAN ISU 128 stands out as a powerful solution for organizations seeking to optimize their network access. With its advanced features, compatibility with multiple technologies, and emphasis on reliability, the ISU 128 is an ideal choice for those looking to enhance their communication infrastructure in a rapidly evolving digital landscape.

ADTRAN ISU 128 user manual Dial 64K sync, Dial 112K sync

Models: ISU 128

Dial 64K sync*

Dial 112K sync*

ISU 128 specifications