Jörg-Peter Elbers’ NGON and DCI World presentation explored the specifics around open cables, technology developments and the implications for enhanced networking performance. The open cables concept for subsea transport was discussed as well as methods for the navigation and management of open cables and the key performance metrics for determining success.

1. Submarine line termination equipment
(SLTE) for open cables
Jörg-Peter Elbers, SVP, advanced technology
NGON 2019

2. © 2019 ADVA Optical Networking. All rights reserved.22
Leveraging terrestrial line system technology
Open to advances in coherent transponder technology.
Flexible SLTE architecture
MC: maintenance controller
LME: line monitoring equipment
CRE: command response equipment
(for branching units and ROADMs)
CTE: cable termination equipment
PFE: power feed equipment
Flexgrid
WSS
Transponders
ASE
loading
PFE
LME
CRE
MC
Cable landing station (CLS)
Management and control
ROADM
CLS
CLS
CTE

3. © 2019 ADVA Optical Networking. All rights reserved.33
Pooling resources from different locations, customers or SLTE types
Extension to optical spectrum sharing
SLTE #1
l
Unleashing the capacity of optical fiber
SLTE #N
SLTE
N
PFE
LME
CRE
MC
Cable landing station (CLS)
Management and control
CTE
SLTE #1
PoP A
SLTE #2
…
SLTE #2
PoP B
SLTE #N
PoP Z
…
Flexgrid
WSS
Spectrum
management
Common
photonics

4. © 2019 ADVA Optical Networking. All rights reserved.44
Maximizing capacity on every network
Supporting 100G and 400G subsea transport today
Flexible terminal technology
Trans-Pacific
distances
Trans-Atlantic
distances
Reach
Capacity
16 QAM
QPSK
Fractional
QAM
TeraFlexTM
1x 400GbE/
4x 100GbE
2x 400GbE/
8x 100GbE

5. © 2019 ADVA Optical Networking. All rights reserved.55
400Gbit/s interfaces
200Gbit/s per carrier
QPSK – 16QAM
4x 100Gbit/s clients
1.2Tbit/s interfaces
600Gbit/s per carrier
QPSK – 64QAM
12x 100Gbit/s / 3x
400Gbit/s clients
2.4Tbit/s + interfaces
1.2Tbit/s + per carrier
QPSK – 64QAM+
≥6x 400Gbit/s /
3x 800Gbit/s clients
70GBaud – today 140GBaud – next35GBaud – previous
Delivering performance without compromising power, footprint and cost
Terminal evolution
Doubling the symbol rate every generation

6. Thank you
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jelbers@advaoptical.com