7025-01-426-2279
Synchronous Serial Communication
1 parts / 1 mfrs
Qua Tech Inc
CAGE 2Z052DEMIL
D
HMIC
N
PMIC
A
ESD/EMI
A
| MRC | Requirement | Reply |
|---|---|---|
| TEXT | GENERAL CHARACTERISTICS ITEM DESCRIPTION | THE SCB-1020 IS AN ASYNCHRONOUS/SYNCHRONOUS CONNUICATION CARD. IT CONTAINS THE UPD7201A MULTI-PROTOCOL SERIAL COMMUNICATIN CONTROLLER TO PERFORM DATA TRANSFER UP TO 256 KBAUD. THE SCB-1020 SUPPORTS ASYNCHRONOUS BIT AND BYTLE ORIENTED PROTOCOLS. THE SYNCHRONOUS PROTOCOLS MAY BE APPLIED TO MONOSYNC AND BISYNC AS WELL AS HDLC AND SDLC OPERTION. THE RS-232 SIGNALS ARE INTERFACED TO EXTERNAL DEVIVE VIA A D-25 CONNECTORWHICH PROVIDES SHIELDING AGAINST ENVIRONMENTAL NOISE.OTHER CHARACTERISTICS OF THE SCB-1020 INCLUDE JUMPER SELECTABLE DMA REQUEST (CHANNELS 1 &3) AND JUMPER SELECTABLE INTERRUPT REQUESTS (IRQ2-IRQ70). THE SCB-1020 CONTAINS SWITCH SELECTABLE ADDRESSING TO AVOID CONFLICTS WITH OTHER DEVICES IN THE COMPUTER. PROGRAMMABLE ON-BOARD CLOCKS PROVIDE DATA RATES FOR THE UPD7201A |
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About NSN 7025-01-426-2279
NSN 7025-01-426-2279 is a National Stock Number assigned to Synchronous Serial Communication. This NSN part number belongs to Federal Supply Class 7025 (INFORMATION TECHNOLOGY INPUT/OUTPUT AND STORAGE DEVICES) under Federal Supply Group 70 (INFORMATION TECHNOLOGY EQUIPMENT (INCLUDING FIRMWARE), SOFTWARE, SUPPLIES AND SUPPORT EQUIPMENT). There are 1 part number associated with this NSN from 1 manufacturer.
To find the part number for NSN 7025-01-426-2279, refer to the part number cross-reference table above. Each part number is linked to its manufacturer through a CAGE (Commercial and Government Entity) code.