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flow control (async data format ) 44 RTS options 43

transmit clock (sync) 45 DTR options 43

dump all calls 36

EIA-232 12 interface 115

environmental specifications 85 EON (end of number) 30 error control 51

factory setup 66 fallback 54

57.6k 64 FAX service 12 features 83 flow control 6, 7

flow control (async data format) 44 front panel 29

function keys 15

Generic Data I 9

generic unit configurations 88 getting started 16

hang up line 68

if self test fails 77

if the ISU 128 does not read ready 77 installation 11

Index

interoperability 84

basic rate service 11

basic rate service (defined) 2 ordering codes 9

Capability B 10

Capability C 10 Capability R 9, 10 Capability S 10 Generic Data I 9

overview 1

switch protocol options 90 U-interface operational mode op-

tions 90

ISU 128

front panel 3 interoperability 4 overview 1 rear panel 2 specifications and features 83

ldm 128 master 65

LDN setting 26

LDN access options 90 leased 128K 7, 65 leased 64K 7

leased line 40 channel rate 41 clock mode 40

leased line service defined 2

LED indicators 84 local echo options 89 loopback disable 21

DDS accepted 21 DDS+V54 accept 22 no remote loopbacks 21 V.54 accepted 21

61202.029L2-1

ISU 128 User Manual

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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 Isdn

Models: ISU 128

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ISU 128 specifications