YOKOGAWA 731010, Руководство пользователя

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3.2 Functions
IM 731010-01E 3-3
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Latency Measurement Function
Item Specifications
IFG Measures the max., min., and average IFG (Inter Frame Gap)
(unit: µs)
Packet latency Measures the max., min., and average packet delay (unit: µs)
Measurement item
Packet delay for
each QoS Measures the packet delay for each flow (8 channels)
Bit Error Rate Measurement Function
Item Specifications
Constant rate: %, µ s, ns, bit (48 bits minimum), frame/s, or bps Rate
Burst (interval setting: 1 µ s to 1 s)
Transmission
mode
Transmission
mode Continuous, single shot (specify the number of transmission
frames), time designation (in unit of s)
Defined no. Of
frames 1 frame/port (64 to 9999 bytes)
Frame length 64–9999 bytes (fixed frame length)
Transmitted
data (fixed)
Test pattern
(payload) PN15
Variable
Method Increment, decrement, and random
Transmit
Variable
frame length
Frame length 64 to 9999 bytes
Receive Displayed statistical items Bit error rate, bit error frame, bit error count. sync loss, checked
byte, bit error (bps), bit error frame (frame/s), sync loss/s,
checked byte/s, bit error insert, and bit error insert frame
Capture Function
Item Specifications
Capture size 1 MB per port
Frame slice function Select from four types: 64, 256, 2048, or 9999 bytes
Filter function • Pattern filter
Comparison pattern: 6 bytes × 2, mask pattern: 6 bytes × 2
Offset: 0 to 58 bytes
• Capture only normal frames, error frames, layer 1 state
change, or insert frames
• Normal frame pattern
Comparison pattern: 6 bytes × 2, mask pattern: 6 bytes × 2
Offset: 0 to 58 bytes
• Completion of the insert frame transmission
• Error
frames
CRC error, undersize, oversize, symbol error, sequence error,
bit error, all error frame, link up, and link down
Trigger function
Trigger position (select from three types)
Top, center, or end
Displayed items Frame No., time stamp, frame status, frame length, destination
MAC address, source MAC address, payload data (hex display)
Capture function
File type AE5511 format, Etherreal (tcpdump) format, and CSV format
Other Functions
Item Specifications
PD emulation Sequence emulation conforming to IEEE802.3af
Class declaration Declare default class or arbitrary class
PoE measurement
function
Line power detection Detects the ON/OFF status of power feeding
Sequence check
function Types of errors
detected Packet loss, max. burst packet loss, reordered packets, and
duplicate packets
IPv4 ARP reply, Ping reply, and MAC address auto learn Emulation function
IPv6 NDP address resolution function, PING6 reply function, and auto
address generation function
Alarm items Packet error, reception rate error, packet delay error, IFG error,
and layer 1 state change Alarm log function
No. of recorded logs Up to 1000 events (log recorded at 1-s intervals min.)
Transmit clock
variable function Range: ±100 ppm. Resolution: 1 ppm. Accuracy: 5 ppm ± 1
digits