Txinit Txfa TXADD01 Txdeq Tanull Tcid

		Table of Contents
Leased Line Service		40
Clock Mode: Slave/Master		40
Channel rate		41
DTE OPTIONS		42
Bit Rate		42
Connector Type		43
RTS Options		43
CTS Options		43
CD Options		43
DTR Options		43
DSR Options		44
Flow Control (Asynchronous Data Format)		44
Data Format (Asynchronous)		45
Transmit Clock (Synchronous Data Format)		45
Chapter 7. Protocol Options		47
Protocol Options		47
Clear Channel		48
BONDING Mode 1		48
TXINIT		49
TXFA		49
TXADD01		50
TXDEQ		50
TANULL		50
TCID		50
V.120		50
V.110		51
V.34		51
Error Control		51
Compression		52
Microcom™ Network Protocol Block Size (MNP® Blk)		52
DSU 57.6 ASYNC		53
T-Link		53
Simple ADTRAN Protocol (SAP)		53
FALLBACK		54
Point-to-Point (PPP) Async-to-Sync		56
Point-to-Point Protocol (PPP)	.............................................................................	56
Multilink Point-to-Point Protocol (MP)		56
PPP with Compression		57
Chapter 8. Quick Setup		59
Quick Setup Configuration		59
Quick Setup		60
Dial 56K sync*		60
Dial 64K sync*		61
Dial 112K sync*		61
Dial 128K sync*		62
61202.029L2-1	ISU 128 User Manual	iii

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 Txinit Txfa TXADD01 Txdeq Tanull Tcid

Models: ISU 128

DTE OPTIONS

TXINIT

TXFA

TXADD01

TXDEQ

TANULL

TCID

FALLBACK

ISU 128 specifications