90
74
74

R

rate adaption 84

rate adaption protocols 54 recommended operating protocols 6, 7 redial last number 68

remote configuration 71, 73 AT commands 71 loopback remote 1B loopback remote 2B menu path 72

set password 74 testing 72

VT 100 screen 72 remote testing 74 repair and return 11 RJ-45

connector 11 interface 118 jack 2

RS-366 12, 29 interface 118 menu tree 29

RS-530 12 interface 116

RTS control line options RTS options 43

S

SAP 7

self test failure 77 set password 74

VT 100 screen 75

Simple ADTRAN Protocol (SAP) 53 software version 22 specifications 83

speech 24

SPID obtaining 25 setting 25

Index

SPID access options 90 S-registers 107 status buffer 16

messages 97 status menu 17 store/review number 69 stored numbers 89 switch compatibility 84 switch protocol 24 synchronous data format

transmit clock 45

T

TANULL 50 TCID 50

terminal identification 25 test menu 19

test menu path 74 test menu tree 20 test options 19

loopback disable 21 loopback DTE 20 loopback network 20 loopback protocol 20 loopback remote 21 NEBE/FEBE 22 software version 22 test remote 21

test remote 21 testing 19 time-out 29 timers 49, 50 T-link 7, 53 troubleshooting 77 TXADD01 50 TXDEQ 50 TXFA 49 TXINIT 49

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ISU 128 User Manual

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ADTRAN ISU 128 user manual Tanull 50 Tcid

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.