Net Optics Optical Bypass Switch w_Heartbeat - Manual (Page 14)

10
Optical Bypass Switch with Heartbeat
3. Enter packet bytes in Hex format in the following order:
MAC DA Net Optics (6 bytes)
MAC SA Net Optics (6 bytes)
Packet Type (2 bytes)
Packet Bytes
CRC (4 bytes)
Alternately you can load the packet as a pre-formatted text file. The text
file should be one byte per line, beginning with a decimal value for the
number of packets followed by hex values for the remaining bytes. Load
the text file at the packet length prompt.
To load a custom packet from byte-by-byte or from a file, you must set the
Line Delay to 1000 milliseconds and the Character Delay to 100 millisec-
onds in your terminal emulation software. If you are using HyperTerminal,
these settings are located in the ASCII Setup dialog box found in File>Prop
erties>Settings>ASCII Setup.
To display the current values:
1 . Type d and press Enter. A list similar to the following appears.
input timeout period 1
input retry count 3
LFD on
Bypass Detect on
Bypass Disabled
To display the current packet:
1 . Type e and press Enter . The packet is displayed as shown in the example
below .
packet length = 78
MAC DA 00 50 c2 3c 60 00
MAC SA 00 50 c2 3c 60 01
Packet Type 08 00
45 00 00 3c 18 d2 00 00
80 01 0a ff 0a 02 01 dc
0a 01 01 12 08 00 37 5c
02 00 14 00 61 62 63 64
65 66 67 68 69 6a 6b 6c
6d 6e 6f 70 71 72 73 74
75 76 77 61 62 63 64 65
66 67 68 69
CRC bb 8e 1c a9