AFL’s WDM Coexistence modules provide scalable wavelength management for combining existing FTTx service with next-generation PON technologies, allowing overlay of upgraded services onto existing OSP fiber plant infrastructure.
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© 2023, AFL, all rights reserved. PP-2-00386, Revision 0, 6.2.2023 Specifications are subject to change without notice. AFLglobal.com | 800.235.3423 1 Optical Connectivity Couplers/Splitters & Multiplexers Coexistence (WDM) Element LGX Modules AFL’s WDM Coexistence modules provide scalable wavelength management for combining existing FTTx service with next-generation PON technologies, allowing overlay of upgraded services onto existing OSP fiber plant infrastructure. Passive circuit design utilizes proven thin-film filter technology featuring low insertion loss, high isolation and superior environmental stability. Modules can be installed in standard LGX chassis and are available with LCA or SCA bulkheads. Multiple module types allow GPON coexistence with XGS-PON, NG-PON2 and/or RF Video. Upgrade port provides flexible next-generation access or PtP WDM for additional services. An OTDR port is available in all configurations. Applications • FTTx Networks • PON System Upgrades • Access Network Convergence • Service Expansion Features • LCA/SCA Connectivity in single width LGX • Low insertion loss/high isolation • Epoxy-free optical path • Flexible Upgrade port • Optional OTDR monitoring * TWDM module combining the 4 NG-PON2 downstream and upstream wavelengths onto single fiber. ** Upgrade port wavelengths varied based on module configuation type. See detailed specification table. GPON 1290-1330 nm 1480-1500 nm XGS PON 1260-1280 nm 1575-1581 nm NG-PON2 1524-1544 nm 1596-1602 nm Video 1525-1565 nm OTDR 1640-1660 nm UPGRADE VARIED** WDM1* AFL COEXISTENCE MODULE To OSP Split Diagram Ordering Information CONFIGURATION MODULE AFL NO. CONNECTOR CIRCUITS COEXISTENCE PORTS TYPE 1 LGX 1 SLOT CE-A-CEx1-X-L01-ASC0-2 SC/APC 2 COM GPON UPG – – – CE-A-CEx1-X-L01-ALC0-6 LC/APC 6 TYPE 2 LGX 1 SLOT CE-A-CEx2-X-L01-ASC0-2 SC/APC 2 COM GPON XGS UPG – – CE-A-CEx2-X-L01-ALC0-6 LC/APC 6 TYPE 3 LGX 1 SLOT CE-A-CEx3-X-L01-ASC0-2 SC/APC 2 COM GPON VIDEO UPG – – CE-A-CEx3-X-L01-ALC0-6 LC/APC 6 TYPE 4 LGX 1 SLOT CE-A-CEx4-X-L01-ASC0-2 SC/APC 2 COM GPON XGS NG-PON2 UPG – CE-A-CEx4-X-L01-ALC0-4 LC/APC 4 TYPE 5 LGX 1 SLOT CE-A-CEx5-X-L01-ASC0-2 SC/APC 2 COM GPON XGS VIDEO UPG – CE-A-CEx5-X-L01-ALC0-4 LC/APC 4 TYPE 1/OTDR LGX 1 SLOT CE-A-CEx1-T-L01-ASC0-2 SC/APC 2 COM GPON UPG OTDR – – CE-A-CEx1-T-L01-ALC0-6 LC/APC 6 TYPE 2/OTDR LGX 1 SLOT CE-A-CEx2-T-L01-ASC0-2 SC/APC 2 COM GPON XGS UPG OTDR – CE-A-CEx2-T-L01-ALC0-4 LC/APC 4 TYPE 3/OTDR LGX 1 SLOT CE-A-CEx3-T-L01-ASC0-2 SC/APC 2 COM GPON VIDEO UPG OTDR – CE-A-CEx3-T-L01-ALC0-4 LC/APC 4 TYPE 4/OTDR LGX 1 SLOT CE-A-CEx4-T-L01-ASC0-1 SC/APC 1 COM GPON XGS NG-PON2 UPG OTDR CE-A-CEx4-T-L01-ALC0-2 LC/APC 2 TYPE 5/OTDR LGX 1 SLOT CE-A-CEx5-T-L01-ASC0-1 SC/APC 1 COM GPON XGS VIDEO UPG OTDR CE-A-CEx5-T-L01-ALC0-2 LC/APC 2
© 2023, AFL, all rights reserved. PP-2-00386, Revision 0, 6.2.2023 Specifications are subject to change without notice. AFLglobal.com | 800.235.3423 2 Optical Connectivity Couplers/Splitters & Multiplexers Coexistence (WDM) Element LGX Modules NOTE: * Unless otherwise noted, optical specification applies across operating temperature and optical bandpass. continued Optical Specifications* — CEx1, CEx1 OTDR and CEx2, CEx2 OTDR PARAMETER REQUIREMENT CE x 1 OTDR CE x 1 OTDR CE x 2 CE x 2 OTDR Temperature and Input Power Max Input Power Rating 300 mW Operating Temperature/Humidity – ISP -10°C to 65°C / 5 to 95% RH Operating Temperature/Humidity – OSP -40°C to 85°C / 5 to 95% RH Storage Temperature/Humidity -40°C to 85°C / 5 to 95% RH Optical Passband Optical Passband 1260 nm to 1660 nm OTDR Passband N/A 1640 nm to 1660 nm N/A 1640 nm to 1660 nm GPON Passband 1290 nm to 1330 nm 1480 nm to 1500 nm XGS-PON Passband N/A N/A 1260 nm to 1280 nm 1575 nm to 1581 nm UPG/NGA Passband 1260 nm to 1280 nm 1520 nm to 1660 nm 1260 nm to 1280 nm 1520 nm to 1630 nm 1520 nm to 1561 nm 1594 nm to 1660 nm 1520 nm to 1561 nm 1594 nm to 1630 nm Insertion Loss w/ Conn. w/o Conn. w/ Conn. w/o Conn. w/ Conn. w/o Conn. w/ Conn. w/o Conn. Max IL – Common to OTDR Port N/A N/A 0.8 dB 1.3 dB N/A N/A 0.8 dB 1.3 dB Max IL – Common to GPON Port 0.8 dB 1.3 dB 1.4 dB 1.9 dB 0.8 dB 1.3 dB 1.4 dB 1.9 dB Max IL – Common to XGS-PON Port 1.2 dB 1.7 dB 1.8 dB 2.3 dB 1.2 dB 1.7 dB 1.8 dB 2.3 dB Max IL – Common to UPG/NGA Port 1.2 dB 1.7 dB 1.8 dB 2.3 dB 1.2 dB 1.7 dB 1.8 dB 2.3 dB Max Passband Ripple 0.5 dB Isolation Min Isolation – Common to OTDR Port N/A 15 dB N/A 15 dB Min Isolation – Common to GPON Port 30 dB Min Isolation - Common to XGS-PON Port N/A 30 dB Min Isolation – Common to UPG/NGA Port 12 dB Max PDL (all ports) 0.25 dB Max PMD (all ports) 0.25 ps Min Directivity (all ports) 50 dB Min Return Loss (all ports) SCAPC: 45 dB No Conn: 45 dB SCAPC: 45 dB No Conn: 45 dB SCAPC: 45 dB No Conn: 45 dB SCAPC: 45 dB No Conn: 45 dB
© 2023, AFL, all rights reserved. PP-2-00386, Revision 0, 6.2.2023 Specifications are subject to change without notice. AFLglobal.com | 800.235.3423 3 Optical Connectivity Couplers/Splitters & Multiplexers Coexistence (WDM) Element LGX Modules continued NOTE: * Unless otherwise noted, optical specification applies across operating temperature and optical bandpass. Optical Specifications* — CEx3, CEx3 OTDR and CEx4, CEx4 OTDR PARAMETER REQUIREMENT CE x 3 CE x 3 OTDR CE x 4 CE x 4 OTDR Temperature and Input Power Max Input Power Rating 300 mW Operating Temperature/Humidity – ISP -10°C to 65°C / 5 to 95% RH Operating Temperature/Humidity – OSP -40°C to 85°C / 5 to 95% RH Storage Temperature/Humidity -40°C to 85°C / 5 to 95% RH Optical Passband Optical Passband 1260 nm to 1660 nm OTDR Passband N/A 1640 nm to 1660 nm N/A 1640 nm to 1660 nm GPON Passband 1290 nm to 1330 nm 1480 nm to 1500 nm Video Passband 1525 nm to 1565 nm N/A XGS-PON Passband N/A 1260 nm to 1280 nm 1575 nm to 1581 nm NG-PON2 Passband N/A 1524 nm to 1544 nm 1596 nm to 1603 nm UPG/NGA Passband 1260 nm to 1280 nm 1344 nm to 1457 nm 1570 nm to 1660 nm 1613 nm to 1630 nm Insertion Loss w/ Conn. w/o Conn. w/ Conn. w/o Conn. w/ Conn. w/o Conn. w/ Conn. w/o Conn. Max IL – Common to OTDR Port N/A N/A 0.8 dB 1.3 dB N/A N/A 0.8 dB 1.3 dB Min Isolation – Common to GPON Port 0.8 dB 1.3 dB 1.4 dB 1.9 dB 0.8 dB 1.3 dB 1.4 dB 1.9 dB Max IL – Common to Video Port 1.2 dB 1.7 dB 1.8 dB 2.3 dB N/A N/A N/A N/A Max IL – Common to XGS-PON Port N/A N/A N/A N/A 1.2 dB 1.7 dB 1.8 dB 2.3 dB Max IL – Common to NG-PON2 Port N/A N/A N/A N/A 1.4 dB 1.9 dB 2.0 dB 2.5 dB Max IL – Common to UPG/NGA Port 1.2 dB 1.7 dB 1.8 dB 2.3 dB 1.4 dB 1.9 dB 2.0 dB 2.5 dB Max Passband Ripple 0.5 dB Isolation Min Isolation – Common to OTDR Port N/A 15 dB N/A 15 dB Min Isolation – Common to GPON Port 30 dB Min Isolation – Common to Video Port 30 dB N/A Min Isolation – Common to XGS-PON Port N/A 30 dB Min Isolation – Common to NG-PON2 N/A 30 dB Min Isolation – Common to UPG/NGA Port 12 dB Max PDL (all ports) 0.25 dB Max PMD (all ports) 0.25 ps Min Directivity (all ports) 50 dB Min Return Loss (all ports) SCAPC: 45 dB No Conn: 45 dB
© 2023, AFL, all rights reserved. PP-2-00386, Revision 0, 6.2.2023 Specifications are subject to change without notice. AFLglobal.com | 800.235.3423 4 Optical Connectivity Couplers/Splitters & Multiplexers Coexistence (WDM) Element LGX Modules NOTE: * Unless otherwise noted, optical specification applies across operating temperature and optical bandpass. Optical Specifications* — CEx5, CEx5 OTDR PARAMETER REQUIREMENT CE x 5 CE x 5 OTDR Temperature and Input Power Max Input Power Rating 300 mW Operating Temperature/Humidity – ISP -10°C to 65°C / 5 to 95% RH Operating Temperature/Humidity – OSP -40°C to 85°C / 5 to 95% RH Storage Temperature/Humidity -40°C to 85°C / 5 to 95% RH Optical Passband Optical Passband 1260 nm to 1660 nm OTDR Passband N/A 1640 nm to 1660 nm GPON Passband 1290 nm to 1330 nm 1480 nm to 1500 nm Video Passband 1525 nm to 1565 nm XGS-PON Passband 1260 nm to 1280 nm 1575 nm to 1581 nm UPG/NGA Passband 1344 nm to 1457 nm 1590 nm to 1660 nm Insertion Loss w/ Conn. w/o Conn. w/ Conn. w/o Conn. Max IL – Common to OTDR Port N/A N/A 0.8 dB 1.3 dB Max IL – Common to GPON Port 0.8 dB 1.3 dB 1.4 dB 1.9 dB Max IL – Common to Video Port 1.2 dB 1.7 dB 1.8 dB 2.3 dB Max IL – Common to XGS-PON Port 1.4 dB 1.9 dB 2.0 dB 2.5 dB Max IL – Common to UPG/NGA Port 1.4 dB 1.9 dB 2.0 dB 2.5 dB Max Passband Ripple 0.5 dB Isolation Min Isolation – Common to OTDR N/A 15 dB Min Isolation – Common to GPON Port 30 dB Min Isolation – Common to XGS-PON Port 30 dB Min Isolation – Common to NG-PON2 30 dB Min Isolation – Common to UPG/NGA Port 12 dB Max PDL (all ports) 0.25 dB Max PMD (all ports) 0.25 ps Min Directivity (all ports) 50 dB Min Return Loss (all ports) SCAPC: 45 dB No Conn: 45 dB Contact AFL for further details.
Features:
- LCA/SCA Connectivity in single width LGX
- Low insertion loss/high isolation
- Epoxy-free optical path
- Flexible Upgrade port
- Optional OTDR monitoring
Applications:
- FTTx Networks
- PON System Upgrades
- Access Network Convergence
- Service Expansion
AFL’s WDM Coexistence modules provide scalable wavelength management for combining
existing FTTx service with next-generation PON technologies, allowing overlay of upgraded
services onto existing OSP fiber plant infrastructure. Passive circuit design utilizes proven thin-film
filter technology featuring low insertion loss, high isolation and superior environmental stability.
Modules can be installed in standard LGX chassis and are available with LCA or SCA bulkheads.
Multiple module types allow GPON coexistence with XGS-PON, NG-PON2 and/or RF Video.
Upgrade port provides flexible next-generation access or PtP WDM for additional services. An
OTDR port is available in all configurations.

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