ABS Pigtail Module CWDM Mux & Demux

Nominal Center

Wavelengths l_c

8CH  mux/demux

ITU CH 20-27 or Other 8ch waves

Upgrade Port, ITU 16-63   except 4 demux channels,

Express Port, 1260-1520 nm   + 1570-1635 nm

nm

Channel Spacing

All Channels

100

GHz

Channel Bandwidth @ -0.5 dB

For   all DWDM add/drop ports

l_c ± 0.11

nm

Insertion Loss

(Over full   passband)

DWDM Channel

(Excludes connector IL)

3.2

dB

UPGRADE

3.4

EXPRESS³

1.0

Ripple within Passband

For all DWDM add/drop ports

0.5

dB

Test Point Insertion Loss 

Test Tx⁴

(DWDM Window)

19

22

dB

Test Rx

(1260-1635nm)

19

22

dB

Insertion Loss Uniformity

Maximum   across all the used DWDM  ITU channels

2.0

dB

PDL

All Channels

0.25

dB

PMD

All Channels

0.15

ps

Directivity

DWDM Port

50

dB

EXPRESS Port

40

Optical Return Loss

All ports

45

dB

Adjacent Channel Isolation

COM Port to   DWDM Port within center wavelength ± 0.125 nm

30

dB

Non-Adjacent   Channel Isolation

COM Port to   DWDM Port within center wavelength ± 0.125 nm

45

dB

Upgrade Port   Isolation

COM to Upgrade   Port

12

dB

Express Port   Isolation

COM to Express   Port

12

dB

Wavelength   Thermal Stability

All Channels

0.001

nm/°C

Insertion   Loss Thermal Stability

All Channels

0.005

dB/°C