6925
CWDM
The Emcore Model 6925 Coarse Wave Division Multiplex-
ing (CWDM) is an all-fiber, bidirectional multiplexor /
demultiplexor. The CWDM allows up to eight, channels to
be stacked in the 1550 nm regions of optical fiber for both
unidirectional and bidirectional applications. The Model
6925 implements high channel-to-channel isolation to
ensure that no interference occurs between channels in a
bidirectional configuration.
CWDM technology increases the capacity of embedded fibers, allowing system
growth without costly cable plant upgrades. The Model 6925 is an excellent
choice for addressing the increased need for efficient and capable signal
transmission.
Features
Low insertion loss
Low polarization-dependednt loss
Bi-directional capability
High channel-to-channel uniformity
Up to 8 channels
1U Rack mountable package
EDFA compliant wavelengths
Functional Diagram
Fiber Transmitter
Fiber Transmitter
Fiber Transmitter
Fiber Transmitter
6925 WM
Optical
Mux
6925 WD
Optical
Demux
Fiber Receiver
Fiber Receiver
Fiber Receiver
Fiber Receiver
Fiber Receiver
Fiber Receiver
Fiber Receiver
Fiber Receiver
Fiber Transmitter
Fiber Transmitter
Fiber Transmitter
Fiber Transmitter
Applications
MDU
CCTV
Point to multi-point
Tapped trunk
Site diversity
General
Specifications
Dimensions
Weight
Operating Temperature
Storage Temperature
Humidity
Values
11.9”D x 19”W x 1.75”H
5.5 lbs
-40˚ to +75˚C
-45˚C to +85˚C
0 to 95% non-condensing
Copyright © 2009 Emcore Corporation
626 293 3400
626 293 3428
satcom-sales@emcore.com
www.emcore..com
6925
CWDM
Passive Components
Channel Plan
Channel
47
49
51
53
55
57
59
61
Wavelength
1471 nm
1491 nm
1551 nm
1531 nm
1551 nm
1571 nm
1591 nm
1661 nm
4-Way
X
X
X
X
6-Way
X
X
X
X
X
8-Way
X
X
X
X
X
X
X
X
Optical Specifications
Parameter
Insertion Loss
4-Way
6-Way
8-Way
Channel uniformity
4-Way
6-Way
8-Way
Isolation Adjacent Channel
4-Way
6-Way
8-Way
Isolation Non-Adjacent Channel
PDL
4-Way
6-Way
8-Way
PMD
Directivity
Return Loss
Optical Power
Optical Power
Min
2.0
2.8
3.6
-
-
-
25
28
25
40
-
-
-
-
55
45
Max
2.5
3.4
4.5
1.2
1.2
1.5
-
-
-
-
0.1
0.2
0.2
0.1
-
-
250
24
ps
dB
dB
mW
dBm
Units
dB
dB
dB
dB
dB
Models
Description
6925WM-SDSP/04
6925WM-SDAP/04
6925WD-SDSP/04
6925WD-SDAP/04
6925WM-SDSP/06
6925WM-SDAP/06
6925WD-SDSP/06
6925WD-SDAP/06
6925WM-SDSP/08
6925WM-SDAP/08
6925WD-SDSP/08
6925WD-SDAP/08
4-Channel CWDM, Mux, SC/APC, (Ch# 51-57)
4-Channel CWDM, Mux FC/APC, (Ch# 51-57)
4-Channel CWDM, DeMux SC/APC, (Ch# 51-57)
4-Channel CWDM, DeMux FC/APC, (Ch# 51-57)
6-Channel CWDM, Mux, SC/APC, (Ch# 47-57)
6-Channel CWDM, Mux FC/APC, (Ch# 47-57)
6-Channel CWDM, DeMux SC/APC, (Ch# 47-57)
6-Channel CWDM, DeMux FC/APC, (Ch# 47-57)
8-Channel CWDM, Mux, SC/APC, (Ch# 47-61)
8-Channel CWDM, Mux FC/APC, (Ch# 47-61)
8-Channel CWDM, DeMux SC/APC, (Ch# 47-61)
8-Channel CWDM, DeMux FC/APC, (Ch# 47-61)
Rev. January 22, 2010
Copyright © 2009 Emcore Corporation
626 293 3400
626 293 3428
satcom-sales@emcore.com
www.emcore..com
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