Info
- MPO cables are typically 12 strands of singlemode or multimode fiber housed within a single jacket or trunk (other fiber counts are available). It has its own IEC spec.
- MTP is a brand name that falls within the MPO spec
- FS has a good polarity how to on their website (some of the below images came from FS)
Hardware
Optics
- 40G QSFP+ can have the ability to breakout into 4x10G interfaces
- See FlexOptix PLR4/QSFP+ 10G LR optics
Juniper QSFP+ 10G LR breakout RX/TX mapping
interface 0 transmits on fiber strand #1 and receives on fiber strand #12
Strand Router
InterfaceInterface
Rx/Tx1 0 Tx0 (Transmit) 2 1 Tx1 (Transmit) 3 2 Tx2 (Transmit) 4 3 Tx3 (Transmit) 5 Unused Unused 6 Unused Unused 7 Unused Unused 8 Unused Unused 9 3 Rx3 (Receive) 10 2 Rx2 (Receive) 11 1 Rx1 (Receive) 12 0 Rx0 (Receive)
Cables
| Description | Image |
|---|---|
Example SM APC MPO to SM UPC LC breakout cable |
|
Example SM APC MPO to SM APC MPO |
|
| Key |
|
Male vs Female Coupled connectors must be matched male/female |
|
| Polarity |
|
| Couplers |
|
|
WiscNet Hardware
Note: Type B/Method B seems to be the standard cable type
| Hardware | Requires | Notes |
|---|---|---|
| PLR4 | MPO/MTP APC Female | Method B/Type B cable to connect MPO breakout boxes to PLR4 |
| MPO QSFP+ 4x10G to LC Breakout Box | MPO/MTP APC Female | Method B/Type B cable to connect MPO breakout boxes to PLR4 |
To help item creation:
| End A Type | Male/Female (M/F) | APC/UPC | End Z Type | Male/Female (M/F) | APC/UPC | Cable Type | Number of Fiber Strands (F) | Cable Length |
|---|
Example:
MPO F APC to MPO F APC Type A 12F 6m = MPO Female pinned APC to MPO Female pinned APC Type A 12 strands 6 meters