Verilink DDS Lite (34-00295.C) Product Manual Instrukcja Użytkownika Pobierz pdf (Strona 14)

8 CHAPTER 2: INSTALLATION AND CONFIGURATION

Configuration This section describes the configuration of the Multi-Rate DDS

CSU/DSU. This unit is configured using DIP switches shown in

Figure 2-1.

On power up, the unit configures to the hardware settings of

option switches SW1 and SW2. Changes to these settings take

effect after resetting the unit by removing and then reapplying

power. The unit then cycles through its LEDs and reads the new

configuration.

254313142

Rate

(kbps)

1-1

1-2

1-3

RTS-to-CTS

Delay (ms)

2.4 B B B 8.0

4.8 A B B 4.0

9.6 B A B 2.0

19.2 A A B 1.0

28.0 B B A 0.8

38.4 ABA0.5

56.0 B A A 0.4

64.0 AAA0.3

867

V.54 Disabled

V.54 Loop

Enabled

Data Normal

Data Inverted

Channel

Bit Rate

Async

Word

Length

Circuit Assurance On

Circuit Assurance Off

CTS Forced On

CTS Normal

RTS-to- CTS Delay ×2

RTS-to-CTS Delay Normal

Synchronous Data Asynchronous Data*

Bits SW2-2 SW2-3

8A B

9B B

10 A A

11 B A

* Asynchronous data

does not function at

28, 56, and 64 kbps.

5867

not used

The symbol indicates that the

switch pointed to does not function

unless the opposite end of the arrow

is in the position shown. For

example, SW1-8 functions only

when SW1-7 is in the A position.

Figure 2-1 Multi-Rate DDS CSU/DSU Configuration

Basic Range

(−2.5 to 1.0%)

Extended Range

(−2.5 to 2.3%)

1 2 ... 9 10 11 12 13 14 15 16 17 18 19

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