Psiber Data Systems Switch NETWORK IP TESTER User Manual

TM  
P IN G E R  
NETWORK IP TESTER  
USER’S GUIDE  
 
OPERATION  
To test a hub or switch, connect a patch cable from the RJ-45 port  
on the equipment to the RJ-45 jack marked “LAN” on the Pinger. To test  
a NIC or most routers, connect a patch cable to the RJ-45 jack marked  
“NIC” on the Pinger.  
LINK SCREEN  
Turn on the Pinger by pressing the “PWR” button. The unit scans  
the RJ-45 connections searching for Link signals.  
If no Link signals are found, a “No Link” message is displayed and  
a REPEAT function is provided to rerun the search for a Link Partner.  
When proper Link signals are found, the Pinger displays the Link speed,  
normal or reversed polarity of the connection and enables the PING,  
DHCP and PortID function keys. Disconnecting the Pinger will cause the  
unit to immediately restart the search for Link signals.  
Note: the Pinger is not compatible with equipment set for 100baseT only  
operation. The Pinger displays a “100baseT” message when this type  
of connection is detected but can not run any of the tests.  
IP PING SCREEN  
Pressing the PING function key in the Link Screen presents the IP  
PING Screen.  
The Up/Down cursor key is used to select: 1) enter and PING a new IP  
address 2) PING one of eight preprogrammed IP addresses (see IP List  
Setup) or 3) sequentially PING all of the one to eight preprogrammed IP  
addresses.  
When “Enter IP” (See Data Entry) or one of the eight  
preprogrammed IP addresses are selected, pressing the PING function  
key transmits the PING packet and “Waiting” is displayed until a  
response is received. When the PINGed IP address is in the same  
subnet as the Pinger IP address and the PING response is received, the  
Round Trip Time is displayed and the packet is checked to see if the  
received data is identical to the transmitted data (Data:Good) or if there  
has been data corruption (Data:Bad).  
The MAC address of the PINGed IP address is displayed by pressing  
the INFO function key. When more than one response is received from a  
 
PING, “Dupe IP Error” is displayed indicating a duplicate IP address is  
present on the network. If no PING response is received within ten  
seconds, “No Response” is displayed. When the PINGed IP address is  
in a different subnet than the Pinger IP address, the unit first attempts to  
locate the default gateway. If the gateway does not respond, the Pinger  
displays a “No Gateway Found” message indicating either the gateway  
is not functioning properly or an incorrect gateway IP address was  
entered. When a gateway is located, a “Gateway Found” message is  
displayed and the PING test continues as described above. When a  
PING response is received from another subnet, the MAC address of the  
Gateway is shown (GW MAC) when the Info key is pressed.  
Note: When the IP address of the device being PINGed is in the same  
subnet/VLAN as the IP address of the Pinger, the Subnet Mask can be  
“ON” or “OFF” and a Gateway IP address is not required. When the IP  
address is in a different subnet/VLAN, the Subnet Mask must be “ON”  
with the mask entered and the IP address of the Gateway must be  
entered. (See Subnet Mask Setup and Gateway Setup)  
IP LIST SCREEN  
When “List” is selected and the PING function key is pressed, each  
IP address stored in the IP List (see IP List Setup) is PINGed in turn.  
The same “Waiting” and “No Response” messages are displayed as  
described above.  
After completing the PING of the last stored IP address, the IP List  
Reponse screen is presented.  
IP LIST RESPONSE SCREEN  
The IP List Response screen shows the results of the PING to each of  
the stored IP addresses.  
The Up/Down cursor key is used to scroll through each IP address with  
Round Trip Time, Data status and MAC address presented for IP ad-  
dresses that are found or “No Response” for IP addresses that did not  
respond within ten seconds. Times that are less than one second are  
shown in milli-seconds (ms).  
IP RESPONDER MODE  
The Pinger will respond to a PING request that is sent to the unit’s  
IP address. When the unit is in the LINK Screen showing speed/polarity,  
a PING to the Pinger IP address presents the PING Received screen.  
The Ping Received screen shows the IP and MAC addresses of  
the PING source. The data packet in the PING request is limited to no  
more than 128 bytes or else the request will be discarded by the Pinger.  
 
DHCP SCREEN  
Pressing the DHCP function key in the Link Screen presents the  
DHCP Screen and begins the DHCP client-server test.  
Note: The MAC Address of the Pinger may have to be added to the  
Access List of the Default Gateway for the Pinger messages to be  
accepted - see your System Administrator for Gateway requirements.  
The Pinger transmits a “Discover” message to locate a DHCP  
server. If no DHCP Server responds to the message within ten seconds,  
the Pinger will retransmit the “Discover” message up to three more  
times. If no DHCP Server responds after the fourth attempt (about 40  
seconds), “No Response” is displayed. When a DHCP Server responds  
to the message, the Pinger displays “Server Found” the IP Address of  
the Server and the IP Address assigned to the Pinger.  
Pressing the INFO key displays the Gateway IP Address and the  
Subnet Mask used with the IP Address assigned by the DHCP Server.  
Note: If the DHCP Server does not provide the Gateway IP Address, a  
0.0.0.0 IP Address is displayed.  
Pressing the PING key while in the DHCP Client mode presents  
the IP PING screen with a “DHCP ACTIVE” message displayed and  
the IP Address of the Gateway. If Gateway information is not available,  
the DHCP Server IP Address is shown.  
Pressing the PING key from the IP Ping Screen transmits a  
PING that uses the IP Address, Gateway Address and Subnet Mask  
provided by the DHCP Server instead of the IP Address, Gateway  
Address and Subnet Mask that were previously entered and stored in  
the Pinger. The Gateway IP Address is automatically entered as the  
address to be PINGed (or the DHCP Server address when Gateway  
information is not available). Alternatively, a new IP Address can be  
entered or the Up/Down cursor key can be used to select a previously  
stored address. Pressing the EXIT key returns the Pinger back to the  
LINK Screen and clears the DHCP Server assigned addresses and  
mask. Pressing the Setup key also clears the DHCP Server assigned  
information.  
 
PORT ID SCREEN  
Pressing the PortID function key in the Link Screen presents the  
Port ID Screen.  
As soon as this screen appears, the Pinger begins transmitting a pattern  
of Link signals that will cause the hub,switch or NIC Link LED to blink or  
stay on continuously. Identifying the specific port a wall outlet/PC is  
connected to can aid in diagnosing the cause of failed PING tests. Hubs  
and switches from various manufacturers have different specifications for  
the time it takes for Link signals to turn the Link LED on and off. The  
Pinger has four different blink rates and a continuous mode that can be  
selected by pressing the Up/Down cursor key. An initial test directly at  
the hub or switch will determine the best blink rate setting before  
conducting a Port ID test at a wall outlet.  
SETUP  
Pressing the SETUP key in any screen presents the Setup Screen.  
The Up/Down cursor key is used to display: 1) IP List Setup 2) Pinger  
IP Setup 3) Subnet Mask Setup 4) Gateway Setup 5) Power Down Time  
Setup or 6) Pinger MAC Screen. Press the SELECT function key to enter  
the displayed setup screen. The Pinger MAC can not be changed.  
IP LIST SETUP SCREEN  
The IP List Setup screen is used to enter from one to eight names and  
IP addresses. The Pinger can then PING the entries individually or PING all  
entries sequentially.  
Data Entry - Use the Up/Down cursor key to select one of the eight  
storage locations and press the right arrow key to display the cursor and  
begin entering a new name or editing an existing one. Use the data entry  
keypad to input the number or letter (each time the key is pressed the next  
letter or number on the key is displayed). Pressing the right cursor key  
advances to the next character. Pressing the left cursor key selects the  
previous character. Names can be a maximum of ten characters long.  
Pressing the right cursor key an eleventh time advances the cursor to the  
IP Address which is divided into four fields of three characters. Only  
numbers can be input in the fields and the maximum valid number for any  
field is 255. Single digits can be entered in any of the three character  
locations and will be right hand justified when the cursor is moved to the  
next field. Two digit numbers can be entered in the left two or right two  
character locations. If an invalid number is entered, the cursor will not  
advance to the next field. After entering or editing the name and IP address,  
press the SAVE function key to store the information in non-volatile memory.  
 
The information is retained even if the unit is turned off or the batteries are  
removed. To remove an entry from the list, press the right cursor key to  
select the entry and then press the star key. A “Delete Entry” message is  
displayed and pressing the SAVE function key clears the selected name  
and IP Address.  
PINGER IP SETUP SCREEN  
The IP address for the Pinger is input from this screen. The Pinger  
comes programmed with a default address of 192.168.42.1. The Pinger  
IP address is changed as described in the Data Entry section.  
POWER DOWN SETUP SCREEN  
The Pinger will automatically turn off after the time selected in the  
Power Down Setup screen.  
Settings available are five minutes, fifteen minutes, thirty minutes and on  
(must be turned off manually). Press the SAVE function key to store the  
selected setting.  
SUBNET MASK SETUP SCREEN  
To Ping an IP address in a subnet different than the subnet of the  
Pinger, requires that the Subnet Mask be entered and “ON” and the  
appropriate Gateway IP address has been entered. Mask “ON” and  
OFF” is selected with the Up/Down Cursor key. The Mask is entered  
as described in the Data Entry section. A zero in the first field is an  
invalid mask entry and the Pinger defaults to 255 when the mask is  
saved.  
NOTE: Subnet Mask and Default Gateway IP address may be found by  
going to a computer on the subnet where the Pinger will be used, open  
the Windows Control Panel, open the network icon, open the LAN Icon,  
select TCP/IP Protocol and then select properties.  
GATEWAY SETUP SCREEN  
The IP address for the default Gateway (typically a router or a  
server) is input from this screen.  
Pinger MAC SCREEN  
The Pinger MAC address is displayed in this screen. The MAC for  
each Pinger is unique and can not be changed. See Note in DHCP.  
 
POWER  
Duration - The Pinger will typically provide 10-12 hours of operation from  
a set of four AA alkaline batteries. An AC adapter is also provided which  
will power the unit but does not recharge the batteries.  
Auto Power Down - The Pinger will automatically turn off after the time  
selected in the Power Down Setup screen or will run continuously until  
manually turned off when “ON” is selected for Power Down.  
Low Battery - When the batteries are below the level required for the  
Pinger to operate properly, a “LO BATT” message appears in the upper  
right hand corner of the display.  
APPLICATIONS  
Installation - Verify physical layer connectivity between any two  
points on a network by sending an actual data packet to the other IP  
address and receiving the packet back. Use two units to PING each  
other to test network end-to-end operation prior to installing work  
stations, servers or other network devices.  
Trouble Calls - Reduce troubleshooting time by ensuring the Link is  
active, wire polarity is correct and data is not being corrupted.  
Moves, Adds and Changes - Port ID feature transmits Link activation  
signals to identify the hub/switch port that is connected to a wall outlet.  
Four different blink rates and a continuous mode provide compatibility  
with a wide range of network equipment.  
Network Management - Measure Round Trip Time between different  
points on the network to determine if high traffic levels are causing poor  
network performance. Typically Round Trip Times should be less than  
one second. Identify the MAC address of a network device.  
Remote Office Support - Users in remote locations can connect the  
Pinger at a problem point on a network and the the support desk can  
PING the unit over the Internet. This test shows if there is correct  
network operation to the point where the Pinger has been installed.  
Support Desk - Resolve Internet log-on problems by verifying the  
DHCP server is available and the assigned IP address is valid.  
WARRANTY  
Psiber Data Systems Inc. warrants that the product shall be free from defects in parts or workmanship for  
a period of 12 months from the date of purchase if used in accordance with Psiber Data Systems Inc. operating  
specifications.  
THIS IS THE ONLY WARRANTY MADE BY Psiber Data Systems Inc. AND IS EXPRESSLY MADE  
IN LIEU OF ALL OTHER WARRANTIES EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO  
ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE.  
Should any parts or workmanship prove defective, Psiber Data Systems Inc. will repair or replace at Psiber  
Data Systems’ option, at no cost to the Buyer except for shipping costs from the Buyer’s location to Psiber Data  
Systems Inc. This is Buyer’s SOLE AND EXCLUSIVE REMEDY under this Agreement. This warranty does not  
apply to products which have been subject to neglect, accident or improper use, or to units which have been altered  
or repaired by other than an authorized repair facility.  
Return of Equipment - To return a product to Psiber Data Systems Inc., first obtain a Return Authorization  
number from our Customer Service by calling 619-287-9970. The RA# must be clearly marked on the shipping label,  
or the package will not be accepted by Psiber Data Systems Inc. See sample label below.  
To: Psiber Data Sytems Inc.  
7075-K Mission Gorge Road  
San Diego, CA 92120  
RA# XXXXXXXX  
Pinger, psiber and the Psiber logo are trademarks of Psiber Data Systems Inc. Copyright 2001  
Psiber Data Systems Inc. All rights reserved.  
P/N 1005-0600-0000 Rev. A  
 
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