JDS Uniphase SB Series Скачать руководство пользователя страница 20 | Manualshive

Страница: 20 / 40

JDS Uniphase SB Series Скачать руководство пользователя страница 20

Operating and Maintenance Instructions – 15

Operating and Maintenance Instructions

Front Panel

The front of the switch is shown in Figure 7.

Figure 7: Front of the Switch

Operating Keys

The operating keys are described in Table 5.

Table 5: Operating Keys

Key

Description

I / O

Turns the power on (I) and off (O)

DRIVER 1

Toggles driver 1 on and off

GPIB ADDR

Sets the switch to GPIB Address (IEEE 488.1) mode

LOCAL

Returns the switch to Local mode from Remote mode

▲

Channel increment key

▼

Channel decrement key

Status LEDs

The status LEDs are described in Table 6.

«
...
18
19
20
21
22
...
»

Содержание SB Series

Страница 1: ...SB SERIES FIBEROPTIC SWITCH User s Manual...

Страница 2: ......

Страница 3: ...tch Configuration 7 Dual Common Blocking SB F Switch Configuration 8 Key Features 8 Applications 8 Standard Accessories 8 Optional Accessories 8 Specifications 9 Getting Started 11 Before Initializing...

Страница 4: ...GPIB Address 23 GPIB Interface Functions 24 RS232 Pin Assignment 24 RS232 Interface Specifications 24 RS232 Driver Pin Assignment 25 Operation and Query Commands 25 Command Parser Rules 25 Operation...

Страница 5: ...service information contact JDS Uniphase or your local representative JDS Uniphase Corporation 570 West Hunt Club Road Nepean Ontario Canada K2G 5W8 Phone 613 727 1303 Fax 613 727 8284 E mail sales jd...

Страница 6: ...connected to the AC power source line power To ensure that the unit is not connected to the line power disconnect the power cord from either the power inlet on the unit s rear panel or from the AC li...

Страница 7: ...nnect the power cord only to a power outlet equipped with a protective earth contact Never connect to an extension cord that is not equipped with this feature Willfully interrupting the protective ear...

Страница 8: ...t maintenance or repair procedure to the unit s internal mechanism if immediate first aid is not accessible Disconnect the power cord from the unit before adding or removing any components Operating t...

Страница 9: ...ndling and operating the unit safely Frame or chassis terminal for electrical grounding within the unit Protective conductor terminal for electrical grounding to the earth WARNING The procedure can re...

Страница 10: ...ipment be protected against electrostatic discharges and that the equipment be immune to all electrical shock wave disturbances The requirements specified by directive 89 336 EEC are as follows CE com...

Страница 11: ...The SB switch connects the input to a selected output channel The terminations are precisely aligned by a processor controlled stepper motor Collimating lenses terminate the fiberoptic attachments mi...

Страница 12: ...l displayed is the current channel pair A and B The number of channel pairs is equal to one half of the total number of channels N Figure 3 Dual Common Configuration Single Step Dual Common SB E Switc...

Страница 13: ...ure 5 Figure 5 Dual Common Blocking Configuration Key Features Up to 48 channels Typical insertion loss 0 4 dB Typical repeatability 0 003 dB Typical return loss 65 dB Local control and remote control...

Страница 14: ...dB Insertion loss stability4 0 03 dB 0 05 dB Repeatability5 sequential switching random switching 0 003 dB 0 01 dB 0 005 dB 0 025 dB Crosstalk single mode 100 dB 80 dB Input power continuous wave 300...

Страница 15: ...collector outputs sink current 100 mA maximum per output driver Drivers 1 2 3 4 5V and GND ground are accessible from back panel connector Drivers 5 6 7 and 8 are internal Driver 1 can also be contro...

Страница 16: ...the contents to ensure that the shipment is complete 3 Inspect the unit for structural damage that can have occurred during shipping 4 Connect the unit to a power source using the AC power cord provi...

Страница 17: ...g reliability do not store the unit in locations where the temperature falls below 40 C or rises above 70 C Avoid any environmental condition that can result in internal condensation Ensure that these...

Страница 18: ...y the RMA number on any accompanying documentation 9 Ship the unit only to the address given at the beginning of this document Cleaning Connectors Caution Connecting damaged or dirty fibers to the uni...

Страница 19: ...g the dusting gas or compressed air blow the areas cleaned Installing the Switch Warning In sensitive applications to avoid shock and vibration do not mount the switch in non rigid racks or on top of...

Страница 20: ...ng Keys The operating keys are described in Table 5 Table 5 Operating Keys Key Description I O Turns the power on I and off O DRIVER 1 Toggles driver 1 on and off GPIB ADDR Sets the switch to GPIB Add...

Страница 21: ...from returning the SB switch to Local mode ADDR Indicates that the GPIB interface is in talk or listen state SRQ Indicates that the interrupt logic of the SB switch has generated a service request int...

Страница 22: ...Setup without TTL External Switch Module with TTL Input Controls The setup for a switch with TTL is shown in Figure 10 Figure 10 Switch Setup with TTL Sample Driver Application Electrical Equivalent o...

Страница 23: ...Connect the switch to the AC power source with the AC power cord provided 2 Set the power switch to I on to initialize the SB switch All key lamps and status LEDs light If no malfunction is detected d...

Страница 24: ...common fiber A is B 1 In all configurations channel 0 is an open circuit that is the switch is in an unconnected state Setting the GPIB Address Set the SB switch to GPIB mode to display and edit the G...

Страница 25: ...IEEE 488 GPIB port at the back of the switch 2 Verify that the interface command set is set to SB and that the GPIB address is set to 7 To do this turn the SB switch off and then on again The display...

Страница 26: ...ing See the Cleaning Connectors section Clean the internal connectors and the panel mounted connector bulkheads periodically or when high losses are suspected The internal connectors can be accessed b...

Страница 27: ...Operating and Maintenance Instructions 22 6 Reinstall the connector panel guiding the fibers back to ensure that they do not bend sharply...

Страница 28: ...ment over either interface The SB switch can be set to emulate the interface command sets status reporting and service request control of the SC Series and SX Series switches The active interface comm...

Страница 29: ...ke complete capability T6 basic talker serial poll not addressed if MLA L4 basic listener not addressed if MTA SR1 service request capability RL1 remote local complete capability PP0 parallel poll no...

Страница 30: ...ith the same settings RS232 Driver Pin Assignment The RS232 driver pin assignment is shown in Figure 16 Figure 16 Driver Pin Assignment Caution Do not exceed 100 mA per driver Operation and Query Comm...

Страница 31: ...nsequently a command can be executed before the entire message in which it is contained is received The switch delays accepting new characters sent over the GPIB interface while the switch mechanism i...

Страница 32: ...the SRQ mask register see the Status Reporting and Service Request Control section Setting a bit to 1 generates an SRQ interrupt when the corresponding bit in the status register changes from 0 to 1 C...

Страница 33: ...bit is set SRE SRQ Mask Returns the contents of the SRQ mask register CNB Condition Register Returns the contents of the condition register TST Self Test Executes a self test operation An error code t...

Страница 34: ...nt state of the switch mechanism Table 9 Bit 2 the settled condition bit is 1 when the switch mechanism has stopped at the desired channel and 0 when the switch is moving to a new output channel The C...

Страница 35: ...te service request interrupt on the GPIB interface Table 11 The SRQ mask command SRE writes to the SRQ mask register When a bit in the SRQ mask register is set to 1 the interrupt logic of the switch m...

Страница 36: ...ay drivers set up the interface card and drivers OPEN GPIB0 FOR OUTPUT AS 1 OPEN GPIB0 FOR INPUT AS 2 PRINT 1 ABORT set terminating character to CR LF sequence PRINT 1 GPIBEOS OUT CR LF PRINT 1 GPIBEO...

Страница 37: ...F END SPOLL PRINT 1 SPOLL 07 serial poll the switch INPUT 2 sr read status register PRINT sr verify SRQ bit is set PRINT 1 SPOLL 07 serial poll again to verify SRQ bit is now cleared INPUT 2 sr read s...

Страница 38: ...splays the current channel setting PRINT 3 CLOSE INPUT 3 A PRINT A END Reading the Status Register The serial polling function is not supported on any RS232 interface but STB can be used to query the...

Страница 39: ...Command Set Syntax Function AnE switch to channel n FE verify channel XE turn external driver on YE turn external driver off Response messages Table 13 are formatted as qn where q is the switch statu...

Страница 40: ...implemented in SB switch RS232 only Response messages Table 15 are formatted as qn Rm where q is the unit status A normal C command error S system error n is the channel number 0 to N R is the letter...

Отзывы:

Нет отзывов