PATTON ELECTRONICS CO.

3012-14-18/V24

INSTALLATION AND OPERATIONS MANUAL

137001UA

CHAPTER 1 - OPERATON

The Patton MSDs are network enhancement accessories intended for DCE sharing applications. The Patton MSDs allows up to eight terminals or DTE devices to share a single point to point or multi-drop polled communication link.

The Patton MSDs allow for immediate expansion of a system without the requirement of additional Modems or communication lines. All MSDs are protocol transparent and operate in synchronous or asynchronous environments at rates up to 38.4Kbps. Clocking is provided by the attached DCE device on the Master Port. The Patton MSDs have Anti-Streaming capabilities that include selectable time-outs depending on your system transmission speed, and a setting to disable anti- streaming for large data block transfers. No special cables or adapters are required for normal DTE-DCE operation. All interconnects are made via industry standard female DB-25 connectors located on the rear panel of the units. A linear 110/ 220V, UL, CSA and TÜV approved power supply is internal to the unit.

SUB-CHANNEL STATUS

ENABLE/DISABLE

ACTIVE STR EAM

PW SD RD

1 2 1 2

1

2

INTERNATIONAL SERIES

MSD-2C

SUB-CHANNEL STATUS

ENABLE/DISABLE

ACTIVE STREAM

MSD-4C

PW SD RD

1 2 3 4

1 2 3 4

1

2

3

4

MSD-8C

 

 

 

SUB-CHANNEL STATUS

 

ENABLE/DISABLE

 

 

 

 

 

 

 

 

 

 

 

 

 

ACTIVE

 

STREAM

 

 

 

 

 

 

 

 

PW SD RD

1 2 3 4 5 6 7 8

1

2 3 4 5 6 7 8

1

2

3

4

5

6

7

8

 

 

 

 

 

 

 

 

1-1

Operation

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Patton electronic 3012/V24, 3014/V24, 3018/V24 manual MSD-4C