| Interbuilding Trunk Multifiber per Tube Configurations |
| Fiber Count | Buffer Tube Configuration |
1-12 |
(Unitube) one fiber per tube |
1-6 |
Fibers in one tube (stranded) |
8 |
2 tubes of 4 fibers, 4 fillers |
10 |
One tube of 6, one tube of 4, 4 fillers |
12 |
2 tubes of 6, 4 fillers |
16 |
2 tubes of 6, one tube of 4, 3 fillers |
18-36 |
6 fibers per tube |
48-240 |
12 fibers per tube |
252-288 |
18 fibers per tube |