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Cisco 2900 Series and 3900 Series Hardware Installation Guide
OL-18712-03
Chapter 5 Installing and Upgrading Internal Modules and FRUs
Installing SFP Modules
Step 4
Replace the CompactFlash cover by inserting the cover lip into the chassis and pushing the cover to snap
it back into place.
Installing SFP Modules
This section describes how to install optional small-form-factor pluggable (SFP) modules in Cisco 2900
and Cisco
3900 series integrated services routers to provide optical Gigabit Ethernet connectivity.
The SFP module installs into a slot on the router rear panel. When selected in Cisco IOS software, it is
assigned port gigabitethernet 0/0. The default is the built-in RJ-45 1000Base-T connector, which is
enabled on this port.
Only SFP modules certified by Cisco are supported on Cisco 2900 series and Cisco 3900 series routers.
Table 5-5 lists supported SFPs on Cisco 2900 and 3900 ISRs.
See Cisco Transceiver Modules Compatibility Information for compatibility issues.
Ta b l e 5-5 SFPs Supported on Cisco 2900 and 3900 Series Routers
Cisco Model Number SFP Transceiver
Fiber Diameter
(micrometer)
Wavelength
(nm) Mode
Maximum
Distance
GLC-SX-MM= 1000Base-SX 50 850 Multi 550 m
GLC-LH-SM= 1000Base-LX/LH 9/125 1310 Single 10 km
GLC-ZX-SM= 1000Base-ZX 9/125 1550 Single 100 km
CWDM-SFP-1470= 1000Base-CWDM 50 1470 Single 100 km
CWDM-SFP-1490= 1490
CWDM-SFP-1510= 1510
CWDM-SFP-1530= 1530
CWDM-SFP-1550= 1550
CWDM-SFP-1570= 1570
CWDM-SFP-1590= 1590
CWDM-SFP-1610= 1610
DWDM-SFP-3033 1000BASE-DWDM — 1530.33 — —
DWDM-SFP-3112 1000BASE-DWDM — 1531.12 — —
DWDM-SFP-3190 1000BASE-DWDM — 1531.90 — —
DWDM-SFP-3268 1000BASE-DWDM — 1532.68 — —
DWDM-SFP-3425 1000BASE-DWDM — 1534.25 — —
DWDM-SFP-3504 1000BASE-DWDM — 1535.04 — —
DWDM-SFP-3582 1000BASE-DWDM — 1535.82 — —
DWDM-SFP-3661 1000BASE-DWDM — 1536.61 — —
DWDM-SFP-3819 1000BASE-DWDM — 1538.19 — —
DWDM-SFP-3898 1000BASE-DWDM — 1539.77 — —
DWDM-SFP-3977 1000BASE-DWDM — 1539.98 — —
DWDM-SFP-4056 1000BASE-DWDM — 1540.56 — —
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