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| Part Number | Description | |
| NM-4B-U | 4-Port ISDN-BRI with NT-1 Network Module | |
| SPA-4XOC3-POS | 4-port OC3/STM1 POS Shared Port Adapters | |
| SPA-4XOC48POS/RPR | 4-port OC48/STM16 POS/RPR Shared Port Adapters | |
| HWIC-4T | 4-Port Serial HWIC | |
| NM-4T | 4-Port Serial Network Module | |
| NM-4T | 4-Port Serial Network Module | |
| EM-4BRI-NT/TE | 4-port voice/fax expansion module - BRI (NT and TE) | |
| EM2-HDA-4FXO | 4-port voice/fax expansion module - FXO | |
| EM-HDA-4FXO | 4-port voice/fax expansion module - FXO | |
| EM-HDA-4FXO | 4-port voice/fax expansion module - FXO | |
| GLC-FE-100BX-D48 | 48 units of GLC-FE-100BX-D | |
| GLC-FE-100FX48 | 48 units of GLC-FE-100FX | |
| GLC-FE-100LX48 | 48 units of GLC-FE-100LX | |
| PVDM2-48 | 48-Channel Packet Voice/Fax DSP Module | |
| OSM-2+4GE-5PACK+ | 5 Pack of OSM-2+4GE-WAN+ | |
| OSM-2+4GE-5PACK+ | 5 Pack of OSM-2+4GE-WAN+ | |
| SPA-5X1GE | 5-port Gigabit Ethernet Shared Port Adapter | |
| SPA-5X1GE | 5-port Gigabit Ethernet Shared Port Adapter | |
| 3G-CAB-ULL-50 | 50-ft (15M) Ultra Low Loss LMR 400 Cable with TNC Connector | |
| 3G-CAB-ULL-50 | 50-ft (15M) Ultra Low Loss LMR 400 Cable with TNC Connector |