Cisco WCM300 - Channel Bonded Cable Modem Implementation Manual page 26

Wideband CMTS Components
The Cisco uBR10012 router can support up to two Wideband SPAs. Each Wideband SPA can support up
to 12 logical wideband channels (bonding groups). Depending on how it is configured, each Wideband
SPA allows up to 24 RF channels. Each logical wideband channel consists of multiple RF channels. The
Cisco IOS CLI includes a set of commands to configure the Wideband SPA on the Cisco uBR10012
router.
The two Gigabit Ethernet ports on the Wideband SPA use small form-factor (SFP) modules (see
Figure
An SFP module is an input/output (I/O) device that plugs into the Gigabit Ethernet SFP ports on the
Wideband SPA, linking the port with an edge QAM device through a fiber-optic network.
Figure 2-8
Dust plug
Table 2-4
Table 2-4
SFP Module
Product Number
GLC-SX-MM
GLC-LH-SM
GLC-ZX-SM
For more information on the Wideband SPA, see the Cisco uBR10012 Universal Broadband Router SIP
and SPA Hardware Installation Guide and the Cisco uBR10012 Universal Broadband Router SIP and
SPA Software Configuration Guide.
Cisco Cable Wideband Solution Design and Implementation Guide, Release 1.0
2-10
2-8).
SFP Module (Fiber-Optic LC Connector)
Bail clasp
lists the SFP modules that the Wideband SPA supports.
SFP Modules for the Cisco Wideband SPA
SFP Module
Short wavelength
(1000BASE-SX)
Long wavelength/long haul
(1000BASE-LX/LH)
Extended distance
(1000BASE-ZX)
Receive optical bore
Transmit optical bore
Description
Cisco 1000BASE-SX SFP transceiver module for
multimode fiber (MMF), 850-nm wavelength
Cisco 1000BASE-LX/LH SFP transceiver
module for single-mode fiber (SMF), 1300-nm
wavelength
Cisco 1000BASE-ZX SFP transceiver module for
SMF, 1550-nm wavelength
Chapter 2 Cisco Cable Wideband Components
OL-10705-02