Cisco 3825 Hardware Installation Guide - Page 145
-Channel High-Density Voice Network Module
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Chapter 8 Connecting Voice Network Modules 60-Channel High-Density Voice Network Module Note The NM-HD-1V, NM-HD-2V, and NM-HD-2VE network modules replace the NM-1V and NM-2V network modules. The NM-1V and NM-2V network modules are still available for use on Cisco 2600 series, Cisco 3600 series, and Cisco 3700 series routers. For information on the Cisco interface cards supported on these voice network modules, see Table 1-2 on page 1-8. Figure 8-3 1-Slot 4-Channel High-Density Network Module (NM-HD-1V) NM-HD -1V V0 EN 89033 Figure 8-4 2-Slot 8-Channel High-Density Voice Network Module (NM-HD-2V) NM-HD -2V V1 V0 EN 89034 Figure 8-5 2-Slot 48-Channel High-Density Voice Network Module (NM-HD-2VE) NM-HD -2VE V1 V0 EN 89035 60-Channel High-Density Voice Network Module This section describes the 60-channel high-density voice (HDV) network module, shown in Figure 8-6. When used in conjunction with T1/E1 multiflex trunk interface cards and packet voice digital signal processor modules (PVDMs), this module is also called a digital T1/E1 packet voice trunk network module. OL-2485-20 Cisco Network Modules Hardware Installation Guide 8-3
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