Pickering 40-792, Руководство пользователя

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8 TRIBUTARY 75Ω DAISY CHAIN SWITCH 40-792
pickering
SECTION 1 - TECHNICAL SPECIFICATION
SECTION 1 - TECHNICAL SPECIFICATION
pickering test .com
40-792/793
2MBit/s Daisy-Chain Tributary
Switching Module
●
Suitable For Testing SONET/SDH Transmission
Multiplexers
●
8 or 16 Tributaries Per 1-Slot Module
●
Up To 272 Tributaries Per 18-Slot PXI Chassis
●
Expandable To Any Size: 8, 16, 24,....
●
75
Ω
Impedance
●
All Tributaries Can Be Daisy-Chained to One Signal
●
Pickering Interfaces Can Construct and Test
Custom Switching Networks
●
VISA, IVI & Kernel Drivers Supplied for Windows
●
Supported by PXI or LXI Chassis
●
3 Year Warranty
The 40-792/793 Daisy Chain Switching Module is designed
for telecom test applications. It allows production or
verification testing of SONET/SDH transmission multiplexers
switching 2MBit/s or 1.5MBIt/s data with a characteristic
impedance of 75
Ω
.
Range Description:
• 40-792 8 Trib Daisy Chain Switch
• 40-793 16 Trib Daisy Chain Switch
Multiple modules can be cascaded together to form very large
systems, for example a 7 slot PXI chassis can contain a 112
tributary switching system and an 18 slot PXI chassis can
contain up to 272 Tributaries.
Device Under Test (DUT)
Daisy
Chain
Signal In
(2MBit/s)
Rx1 Tx1 Rx2 Tx2 Rx16 Tx16
Daisy Chain
Signal Out
(2MBit/s)
16
Chan
MUX
1 2 3 4 16
16
Chan
MUX
1 2 3 4 16
40-793 Daisy Chain
Tributary Switching
Module
Test Signal In
Test Signal Out
Block Diagram of 16-Channel Tributary Daisy Chain Switching Module
Traffic is sequentially Daisy-Chained through all tributaries (or
any selection of tributaries), modules can be cascaded to test
any number of tributaries. Two additional multiplexers have
been built in to allow Transmit or Receive instrumentation to
connect to any individual tributary this allows specific testing
of that port, for example to measure pulse shape distortion or
return loss. Refer to graphic below.
For further information please refer to User Manual (available
from our web site) or contact sales office/factory to discuss
your application in detail.
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