| Routers Supported | Max No. PVDM2-xxDM | Network Module Required | Port Density |
| Cisco 2811 | 2 | NM-1CE1T1-PRI or NM-2CE1T1-PRI | 60 Channels |
| Cisco 2821 & 2851 | 3 | NM-1CE1T1-PRI or NM-2CE1T1-PRI | 60 Channels |
| Cisco 3825 & 3845 | 4 | NM-1CE1T1-PRI or NM-2CE1T1-PRI | 144 Channels |
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