DWDM QSFP-DD ZR++ DCO Optical Module
Coherent Digital Coherent Optical Transceiver
DWDM QSFP-DD ZR++ DCO
Optical Module
F-tone offers a comprehensive range of pluggable optical modules in the F-tone
®pluggables portfolio. The wide variety of modules gives you flexible and cost-effective
options for all types of interfaces. F-tone offers a range of GBIC, SFP, XFP, SFP+,
CXP, CFP and QSFP+ pluggable modules. These small, modular optical interface
transceivers offer a convenient and cost-effective solution for an array of applications in
the datacenter, campus, metropolitan-area access and ring network, storage area
network, and long-haul network. In recent times, with longer strides of innovation. The
latest addition to the F-tone portfolio pushes this boundary further with the
introduction of the DWDM QSFP-DD ZR++ DCO Optical Module.
Figure 1. F-toneDWDMQSFP-DD ZR++DCO Optical module
Product overview
F-tone is now expanding the range of 400G Digital Coherent QSFP-DD transceivers, introducing High Tx Power
variants (+1dBm of Tx Power). Thanks to the miniaturization of the technology with a 7-nm manufacturing
procedure and innovation in silicon photonic technology, it is now possible to also squeeze an Optical Amplifier
(Mini-EDFA) within a QSFP-DD form factor.
DWDM QSFP-DD ZR++ DCO Optical module’s small size and low power make it an optimal
choice for a wide range of DCI/Cloud, metro access/aggregation, wireless backhaul, and campus interconnect
applications.
F-tone DWDMQ SFP-DD ZR++ DCO Optical module is mechanically compliant to the QSFP-DD Type 2A Module
Specification. The QSFP-DD module contains a PCB with a 76-contact card-edge electrical interface to
external host-side logic. The media interface is a duplex LC connector coupled to a 1550-nm optical fiber
carrying the DP-mQAM coherent signal. The signaling operates in the C-band.
Two product variants are available:
1. Ethernet Variant (DWDM QSFP-DD ZR++ DCO)
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DWDM QSFP-DD ZR++ DCO Optical Module Ethernet Variant Overview
DWDM QSFP-DD ZR++ DCO Opticalmodule Ethernet variant is an enhanced version of the
currently available QSFP-DD ZR+ Optical Module leveraging the same operational modes but providing as a
major enhancement the increase of the Tx Optical Power up to +1dBm (EoL).
Supported client interface for this pluggables is Ethernet based, making this model perfectly suitable to be
hosted on a router/switch host. The module asynchronously (GMP) maps an Ethernet signal from a
switch/router to an intermediate 400ZR frame structure and then adapts the frame structure to the appropriate
FEC engine. The encoded signal is subsequently DSP framed and modulated for transmission as a coherent
Dual-Polarity mQAM signal.
DWDM QSFP-DD ZR++ DCO Optical Module Multirate Ethernet/OTN Variant Overview
The DWDM QSFP-DD ZR++DCO Optical module multirate Ethernet/OTN variant shares the same HW
platform (and so also the high Tx power) of the Ethernet variant but also supports OTN clients. The module leverages
an intermediate ODUFlex,OTUCn/FlexO-x frame structure and then adapts the frame structure with
OFEC.
This variant, thanks to the OTN OH, supports Layer-1 (L1) functionality to support authentication and
encryption/decryption of the OPU[Cn,4] payload. The security IP provides wire-speed Galois-Counter-Mode
(GCM) AES 256-bit security in either authentication-only (GMAC) or encryption/decryption-only (CTR) modes
or both (GCM). Inter-host key exchange is supported via communication over the GCC channel.
The DWDM QSFP-DD ZR++DCO Optical module multirate Ethernet/OTN module is also offering a PAYG model
with a licensed approach in which a 100G BW product is offered .
Features and benefits
In addition to the fact that this solution is providing a high-performance 400G WDM Coherent pluggable
perfectly fitting 400G ports from a routing and switching host, additional benefits come from the high Tx power
interface. Tx power of +1dBm allows for compatibility with a vast majority of the deployed add/drop scheme of
brownfield WDM systems.
In fact, higer TX poweris allowing to be compatible with any high insertion loss add/drop structure. As
consequence, differently by the standard OIF MSA optics (limited to -10dBm), the High Tx Power 400G
Coherent pluggable can be deployed on the vast majority of existing WDM systems with the only caveat that a
60Gbaud signal is supported.
All network operators can now approach the Routed Optical Networking solution without any limitation driven by
the legacy WDM system, as there is no substantial difference from the optical power point of view respect a
legacy Coherent Transponder and a new DWDMQSFP-DD ZR++DCO Optical Module.
The high Tx power functionality is also extremely useful in a P2P application over dark fiber: in this case, the
10dB of additional optical power translates into a much longer reach.
The availability of embedded Tuneable Filter functionality allows the Transmitted Optical Signal to provide a
narrow optical spectrum, which allows it to be compatible with any add/drop structure (filtered or unfiltered
based) in terms of Tx OSNR penalty.
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Product specifications
Transmitter specifications
Product ID Max Transmit Power Symbol Rate (20ppm) Modulation(Payload) FEC
DWDM QSFP-DD +1dBm (tuneable down to 60,138,546,798 16-QAM (400G) OFEC
ZR++ DCO -9dBm)
60,138,546,798 8-QAM (300G) OFEC
60,138,546,798 QPSK (200G) OFEC
40,092,364,532 8-QAM (200G) OFEC
30,069,273,399 16-QAM (200G) OFEC
30,069,273,399 QPSK (100G) OFEC
Receiver specifications
Product ID Modulation ( RX Sensitivity Op RX Power Max Rx CD Robustness (ps/nm)
RX OSNR Se
Payload) timal Sensitivity (No AS Power
nsitivity (dB)
E Noise)
DWDM QSFP- 16-QAM (40 22.5 -12dBm -21dBm Default:13,000
13dBm
DD ZR++ DCO 0G) Configurable up to: 52,000
8-QAM (300 19.5 -15dBm -23dBm
Default: 50,000
G)
Configurable up to:100,000
QPSK 14.8 -18dBm -29dBm
Default: 50,000
(200G)
Configurable up to:100,000
8-QAM (200 17.2 -16dBm -28dBm
Default: 50,000
G)
Configurable up to:100,000
16-QAM (20 19.3 -15dBm -25dBm Default: 30,000
0G) Configurable up to: 85,000
QPSK 11.5 -20dBm -32dBm
Default: 80,000
(100G)
Configurable up to: 160,000
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| Product ID | Max Transmit Power | Symbol Rate (20ppm) | Modulation(Payload) | FEC |
| DWDM QSFP-DD ZR++ DCO |
+1dBm (tuneable down t -9dBm) |
o 60,138,546,798 60,138,546,798 60,138,546,798 40,092,364,532 30,069,273,399 30,069,273,399 |
16-QAM (400G) | OFEC |
| 8-QAM (300G) | OFEC | |||
| QPSK (200G) | OFEC | |||
| 8-QAM (200G) | OFEC | |||
| 16-QAM (200G) | OFEC | |||
| QPSK (100G) | OFEC |
| Product ID | Modulation ( Payload) |
RX OSNR Se nsitivity (dB) |
RX Sensitivity Op timal |
RX Power Sensitivity (No AS E Noise) |
Max Rx Power |
CD Robustness (ps/nm) |
| DWDM QSFP- DD ZR++ DCO |
16-QAM (40 0G) |
22.5 | -12dBm | -21dBm | 13dBm | Default:13,000 Configurable up to: 52,000 |
| 8-QAM (300 G) |
19.5 | -15dBm | -23dBm | Default: 50,000 Configurable up to:100,000 |
||
| QPSK (200G) |
14.8 | -18dBm | -29dBm | Default: 50,000 Configurable up to:100,000 |
||
| 8-QAM (200 G) |
17.2 | -16dBm | -28dBm | Default: 50,000 Configurable up to:100,000 |
||
| 16-QAM (20 0G) |
19.3 | -15dBm | -25dBm | Default: 30,000 Configurable up to: 85,000 |
||
| QPSK (100G) |
11.5 | -20dBm | -32dBm | Default: 80,000 Configurable up to: 160,000 |
Product ID Modulation ( RX Sensitivity Op RX Power Max Rx CD Robustness (ps/nm)
RX OSNR Se
Payload) timal Sensitivity (No AS Power
nsitivity (dB)
E Noise)
Configurable up to: 77,000
QPSK Ethernet: 11. Ethernet: -20dB Ethernet: -32dB Ethernet: 80,000 (default)C
(100G) 5 onfigurable up to:
mOTN:-20dBm mOTN:-32dBm 160,000
OTN:11.8 OTN: 77,000 (default)
Configurable up to:
154,000
Ordering information
DWDM QSFP-DD ZR++DCO DCO Optical modules
Part Product Description
DWDM QSFP-DD ZR++
QSFP-DD 400G ZR+ -High Tx Power
DCO
Important Notice
Performance figures, data and any illustrative material provided in this data sheet are
typical and must be specifically confirmed in writing by F-tone Networks before they
become applicable to any particular order or contract. In accordance with the F-tone
Networks policy of continuous improvement specifications may change without notice.
The publication of information in this data sheet does not imply freedom from patent or
other protective rights of F-tone Networks or others. Further details are available from any
F-tone Networks sales representative.
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| Product ID | Modulation ( Payload) |
RX OSNR Se nsitivity (dB) |
RX Sensitivity Op timal |
RX Power Sensitivity (No AS E Noise) |
Max Rx Power |
CD Robustness (ps/nm) |
| Configurable up to: 77,000 | ||||||
| QPSK (100G) |
Ethernet: 11. 5 OTN:11.8 |
Ethernet: -20dB mOTN:-20dBm |
Ethernet: -32dB mOTN:-32dBm |
Ethernet: 80,000 (default)C onfigurable up to: 160,000 OTN: 77,000 (default) Configurable up to: 154,000 |
| Part | Product Description |
| DWDM QSFP-DD ZR++ DCO |
QSFP-DD 400G ZR+ -High Tx Power |
Product Line Declaration: This product is developed and manufactured by F-tone (Beijing) Technology Co., Ltd. (北亿纤通). F-tone is a professional supplier specializing in industrial Ethernet switches, optical modules, and fiber optic connectivity products. All specifications subject to change without notice.
Important Notice: Information provided for reference only. Actual performance may vary. F-tone makes no warranties regarding completeness or accuracy.
