B-6
Catalyst 4948E an Catalyst 4948E-F Switch Installation Guide
OL-21561-02
Appendix B Transceiver, Chassis Connectors, and Cable and Adapter Specifications
Transceiver Support for Uplink Ports
Table B-6 lists the optical specifications for the CWDM SFP transceivers.
Tab l e B-6 CWDM SFP Optical Specifications
Table B-7 lists the physical and environmental specifications for the CWDM SFP transceivers.
Tab l e B-5 CWDM SFP Transceivers
CWDM SFP Transceiver
Product Number
Description Connector Color Code
CWDM-SFP-1470= 1000BASE-CWDM, 1470 nm Gray
CWDM-SFP-1490= 1000BASE-CWDM, 1490 nm Violet
CWDM-SFP-1510= 1000BASE-CWDM, 1510 nm Blue
CWDM-SFP-1530= 1000BASE-CWDM, 1530 nm Green
CWDM-SFP-1550= 1000BASE-CWDM, 1550 nm Yello w
CWDM-SFP-1570= 1000BASE-CWDM, 1570 nm Orange
CWDM-SFP-1590= 1000BASE-CWDM, 1590 nm Red
CWDM-SFP-1610= 1000BASE-CWDM, 1610 nm Brown
Parameter Minimum Typical Maximum Units Notes and Conditions
Transmitter Center Wavelength (x–4) — (x + 7) nm Available center wavelengths are 1470,
1490, 1510, 1530, 1550, 1570, 1590, and
1610 nm
Side-Mode Suppression Ratio 30 — dB
Transmitter Optical Output
Power
0 — 5.0 dBm Average power coupled into single-mode
fiber
Receiver Optical Input Power
(BER <10-12 with PRBS 2-7-1)
–28.0 — –7.0 dBm Measured at 2.12 Gbps, 140°F (60°C)
case temperature
Receiver Optical Input Power
(BER <10-12 with PRBS 2-7-1)
–29.0 — –7.0 dBm Measured at 1.25 Gbps, 140°F (60°C)
case temperature
Receiver Optical Input
Wavel engt h
1450 — 1620 nm
Transmitter Extinction Ratio 9 — dB
Dispersion Penalty at 100 km — — 3dB Measured at 2.12 Gbps
Dispersion Penalty at 100 km — — 2dB Measured at 1.25 Gbps
Tab l e B-7 1-GB CWDMSFP Transceiver Physical and Environmental Specifications
Item Specification
Dimensions (H x W x D) 0.04 x 0.53 x 2.22 in. (8.5 x 13.4 x 56.5 mm)
Operating temperature
Storage temperature
32° to 122°F (0° to 50°C)
–40° to 185°F (–40° to 85°C)