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Switch s1-4, Switch s1-5: asynchronous/sync operation, Switches s1-6 and s1-7: system clock mode – Patton electronic 1053 User Manual

Page 9

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9

Each setting represents one synchronous data rate and one asynchro-
nous data rate.

Note

If the S2-1 switch is positioned in the OFF position, the 128 kbps

sync data rate/0–38.4 kbps async data rate option is selected.

Switch S1-3:

Must be set to the ON position (Reserved)

.

Switch S1-4:

Must be set to the ON position (Reserved).

Switch S1-5: Asynchronous/Sync Operation.

Use Switch S1-5 to

configure the Model 1053 for async/sync operation. For synchronous
data rates set switch S1-5 OFF. For asynchronous rates set switch
S1-5 ON.

Switches S1-6 and S1-7: System Clock Mode.

Use Switches S1-6

and S1-7 to configure the 1053 for internal, or receive recover clock
mode.

S1-1

S1-2

Sync Data Rate

Async. Data Rate

On

On

128 kbps

115.2 kbps

Off

On

64 kbps

57.6 kbps

On

Off

56 kbps

76.8 kbps

Off

Off

32 kbps

0–38.4 kbps

S1-3

Setting

On

Reserved

S1-4

Setting

On

Reserved

S1-5

Setting

Off

Sync

On

Async

S1-6

S1-7

Clock Mode

Description

On

On

Internal

System clock generated internally

Off

On

External (DTE)

System clock derived from termi-

nal interface

On

Off

Receive Recover

System clock derived from the

received line signal

Off

Off

Hardware Reset