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Rear Panel Connections
CDM-760 Advanced High-Speed Trunking Modem
3.2.3.2
J7 | OPTICAL Connection, 1000Base-SX Cage
DO NOT MIX products of different speeds (e.g., 10BaseT on J5, 100BaseT on J6, and
GigE on J7), or different duplex operation (e.g., half duplex on J5 and full duplex on
J7). Doing so can cause a degradation in speed/performance of the data link traffic.
The J7 | OPTICAL Gigabit Traffic connection is available by FAST-enabling this
interface; the CDM-760 then accepts the optional Optical Gigabit Ethernet Interface
module, an industry-standard SFP (Small Form Factor Pluggable) interface.
3.2.3.2.1 Optional Optical Gigabit Ethernet Interface (P/N IC-0000058)
The optional Optical Gigabit Ethernet Interface (CEFD P/N IC-0000058) is an 850mm multi-mode
transceiver module with LC-Duplex fiber optic connectors. It meets SFP Multi-Source Agreement
(MSA) SFF-8074i and SFF-8472 Rev. 9.3. Note the following:
Typical link distance for 1000BaseSX
550m
275m
Install the module as shown in Figure 3-4. Note that this type of installation is typical for
installation of an optional SFP module, whether in the CDM-760 chassis J7 | OPTICAL port, or
using the optional STM-1 Copper or OC-3 Single/Multi Mode PIIC module kits.
Figure 3-4. Typical SFP Module Installation
Cable Requirement
50/125 mm cable
62.5/125 mm cable
3–10
Revision 4
MN-CDM760
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