Author: Sheard Goodwin
First Revision: 7-25-2001
Last Revision: 7-25-2001
Label Standard For Connecting Jumpers
In General
Jumpers should be labeled on each end within 6 inches of the termination. Each individual cable should receive its ownlabel. This means that fiber zipcord jumpers that consist of two distinct cables shall have 4 labels total : one label on each termination end of each cable. Each label will have two lines of writing. Each line of writing will detail one of the termination points of the cable. From this, a technician can tell where each end of a jumper should be plugged in by looking at only one end of the jumper. The labels to be affixed to jumpers do not communicate anything about the nature of the jumper itself. The sole purpose ofthe label is to communicate the location of the equipment and the port on that equipment where that jumper is terminated. The labels themselves consist of distinct pieces of information seperated by a period. If a piece of equipment is wall mounted a w will be entered into the rack number location. These pieces of information read like a map from the general to the specific from left to right : rack.equipment.port
Termination points
1) Termination of a jumper in a fiber panel is labeled solely through the use of numbers. The rack number is followed by the
fpl number and finally the module and port numbers in a format of #.#.#/# This keeps the identifying label short and specific.
1.1.1/5 : This entry on a label points to a termination in Rack #1, FPL1, module 1 and port 5.
2) Termination of a jumper in a copper patch panel will be labeled with the letter of the panel. The rack number is
followed by the panel letter and finally by the port number in a format of #.a.# Again, this communicates the necessary information
in as succint a manner as possible.
1.a.1 : This entry on a label points to a termination in Rack #1, copper patch panel A and port 1
3) Termination of a jumper in a piece of electronics equipment follows the same convention as all other labels. In detailing the equipment portion of the label it is necessary to use a combination of 2-3 letters and 1 number to communicate the purpose of the electronics and index number associated with it. When possible, this identification will coincide with the Official Network Device Naming Convention Some commonly used abbreviations follow :
| Type of Device | Abbreviation |
| workgroup switch | |
| bpop switch | |
| apop switch | |
| core device | |
| isens | |
| Shomiti device | |
| media converter |
1.wg1.1/1 : This entry on a label points to a termination in Rack #1, workgroup switch #1 and blade 1, port 1
2.cr1.4/9 : This entry on a label points to a termination in Rack #2, core switch #1 and blade 4, port 9
17.ap1.0/4 : This entry on a label points to a termination in Rack #17, apop switch #1 and blade 0, port 4
Note : blade 0 on a switch always refers to a port on the switch itself and not attached to any additional cards or
add-ons.
A Complete Label
A label should have two lines of writing that detail the two termination points of the jumper. All of the examples above only detail one end of the termination. A complete label that might be found on both ends of a jumper might appear as follows.1.wg2.4
This jumper runs from port 4 of copper panel a to port 4 of workgroup switch #2.
The copper panel is located on the wall while the workgroup switch is located in rack #1.
7.sh1.2/1
8.wg1.1/2
This jumper runs from shomiti device #1 in rack #7 to workgroup switch #1 in rack #8.
It connects to module 2, port 1 on the shomiti and module 1, port 2 on the workgroup switch.
1.1.1/2
2.bp1.1/1
This jumper runs from rack #1, FPL1, module 1, port 2 over to rack #2, bpop switch #1, blade 1 and port 1.
A Final Note
Should it become necessary during the course of labeling older installations to label jumpers that run between rooms or buildings these additional identifiers can be added on to the front of the entry. As always, entries are read from the general to the specific from left to right so the order should be building.room.rack.equipment.port Again, these are not acceptable for new installations. For connections between rooms and buildings permanent cables should be run.0038.BA.1.a.4
0031.1A.1.wg1.2
This jumper runs between building 38 and building 31.
In building 38 the jumper terminates in Telecomm room BA, rack #1, patch panel A and port 4.
In building 31 the jumper terminates in Telecom room 1A, rack #1, workgroup switch #1, port 2.
