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ADTRAN ISU 128 Appendix E Connector Pinouts, EIA-232/RS-530 Interface, EIA-232 Interface

Models: ISU 128

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Appendix E

Connector Pinouts

PIN 13

 

PIN 1

 

FEMALE

PIN 25

PIN 14

Figure E-1

EIA-232/RS-530 Interface

Table E-A

EIA-232 Interface

Pin

Name

I/O

Description

 

 

 

 

1

Shield

I/O

Shield for cable

2

TD

I

Transmitted Data

3

RD

O

Received Data

4

RTS

I

Request to Send

5

CTS

O

Clear To Send

6

DSR

O

Data Set Ready

7

SG

I/O

Signal Ground

8

CD

O

Carrier Detect

9

NC

N/A

No Connection

10

NC

N/A

No Connection

11

NC

N/A

No Connection

12

NC

N/A

No Connection

13

NC

N/A

No Connection

14

NC

N/A

No Connection

15

TC

O

Transmit Clock

16

NC

N/A

No Connection

17

RC

O

Receive Clock

18

NC

N/A

No Connection

19

NC

N/A

No Connection

20

DTR

I

Data Terminal Ready

21

NC

N/A

No Connection

22

RI

O

Ring Indicator

23

NC

N/A

No Connection

24

ETC

I

External Transmit Clock

25

NC

N/A

No Connection

I= Input, O= Output, N/A= Not Applicable

61202.029L2-1

ISU 128 User Manual

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Image 130
ADTRAN ISU 128 user manual Appendix E Connector Pinouts, EIA-232/RS-530 Interface, EIA-232 Interface
Page 129 Page 131

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.