Black Box TL576A, Руководство пользователя

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CHAPTER 2 - BASIC OPERATION
2.1 OPERATION
Operation of the V.11 LS is as simple as plugging a male DB-15 cable into the female
DB-15 INPUT PORT on the back panel and plugging up to eight male DB-15 connectors
into Ports 1 - 8 . Data, Clock and Indicate are received on the Master Port and are broadcast
out simultaneously on Ports 1 -8. The following table shows the pinout for the Master and
Sub-Channel Ports.
2.3 FRONT PANEL LED INDICATORS
Located on the front panel of the V.11 LS are four green LEDs. The Power indicator,
marked POWER, illuminates when AC voltage is applied to the box. Three adjacent LED
indicators illum inate in conjunction w ith
Receive Data ( DATA ), Receive Clock ( CLOCK )
and the user defined control signal which is marked INDICATE . The DATA and CLOCK
LEDs will flash on and off at a constant rate regardless of the user’s clock and data rate.
The
INDICATE LED will be illuminated when and if the user defined control signal is
present.
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2.2 X.21 PORT PINOUTS
D B - 15 FEM A LE O R M A LE CO N N ECTO R S
P IN NUMBER P I N N A M E
1 SHIELD
4 RECEIVE DATA (A+)
5 INDICATE (A+)
6 SIGN A L TIMING (A+)
8 G R O U N D
11 RECEIVE DATA (B-)
12 INDICATE (B-)
13 SIGN A L TIMING (B-)