| Product | Description | |
| ACE-2002, ACE-2002E | Multiservice Access Concentrators and ATM NTUs | Modules |
| ACE-202 | Multiservice Access Concentrator and ATM NTU | Modules |
| ACE-3100, ACE-3200 | Cell-Site Gateways |   |
| ACE-3400, ACE 3402 | Aggregation Site Gateways |   |
| AMC-101 | Universal Modular Media Converter/Repeater |   |
| ASM-MN-214 | Chassis for Short Range Modems | Modules |
| ASMi-31 | Sync/Async IDSL Modem |   |
| BE-1 | Coax-to-Twisted Pair Converter (Balun) for E1 |   |
| DXC-4 | Fractional E1/T1 Groomer |   |
| DXC-8R, DXC-10A, DXC-30 | Digital Cross Connect | Modules |
| Egate-100 | Gigabit Ethernet over TDM Aggregation Gateway |   |
| Egate-20 | Ethernet over TDM Aggregation Gateway |   |
| ETX-102, ETX-202 | Carrier Ethernet Demarcation Devices |   |
| ETX-201 | Carrier Ethernet Demarcation Device |   |
| F-TEL | Fiber Optic Telephone Adapter |   |
| FCD-155E | Ethernet over SDH/SONET ADM |   |
| FCD-E1, FCD-T1, FCD-E1A | E1/T1 or Fractional E1/T1 Access Units |   |
| FCD-E1I | E1or Fractional E1 Access Unit with ISDN S Interface |   |
| FCD-E1M, FCD-T1M | E1/T1 Modular Access Multiplexer | Modules |
| FCD-IP | E1/T1 Access Unit with Integrated Router |   |
| FCS-155, FCS-622 | Fibre Channel to SDH/SONET Converters |   |
| FLM-1, FLM-2 | Time Division Multiplexers |   |
| FOM-20 | Sync/Async Fiber Optic Modem |   |
| FOM-40 | High Speed Fiber Optic Modem |   |
| FOM-485 | Miniature RS-485 Fiber Optic Modem |   |
| FOM-5A, FOM-6A | Asynchronous Fiber Optic Modems |   |
| FOM-6MP | Async Fiber Optic Multipoint Modem |   |
| FOM-E1/T1 | E1, T1 Fiber Optic Modem |   |
| FOM-E3, FOM-T3 | E3, T3 Fiber Optic Modem |   |
| FOM-E3/ETH, FOM-T3/ETH | 10/100BaseT over E3/T3 Fiber Optic Modems |   |
| FOMi-40 | Fiber Optic Modem with Remote Control |   |
| FOMi-E1/T1 | E1/T1 Fiber Optic Modem with Remote Control |   |
| FOMi-E3, FOMi-T3 | E3, T3 and HSSI Manageable Fiber Optic Modems |   |
| Gmux-2000 | Hub-Site Pseudowire and Voice Trunking Gateway | Modules |
| IPmux-14 | TDM Pseudowire Access Gateway |   |
| IPmux-16 | TDM Pseudowire Access Gateway |   |
| IPmux-1E | TDM Pseudowire Gateway |   |
| IPmux-24 | TDM Pseudowire Access Gateway |   |
| Kilomux-2100, Kilomux-2104 | Sub-rate Multiservice Multiplexers | Modules |
| LRS-24 | 12-Slot Modem Rack with SNMP | Modules |
| Megaplex-2100, Megaplex-2104 | Multiservice Access Multiplexers | Modules |
| Megaplex-2200 | Modular Integrated Access Multiplexers | Modules |
| Megaplex-4100 | Multiservice Access Node |   |
| Optimux-108, Optimux-106 | E1/T1 and Ethernet Optical Multiplexers |   |
| Optimux-1551, Optimux-1553 | STM-1/OC-3 terminal multiplexer |   |
| Optimux-34 | 16 E1 and Ethernet or Data E3 or Fiber Multiplexer |   |
| Optimux-45, Optimux-45L | 21 E1 or 28 T1 over T3 or Fiber Multiplexers |   |
| RADview-HPOV | UNIX-based Element Management System |   |
| RIC-155 | Fast Ethernet over STM-1/OC-3 NTU |   |
| RIC-155GE | Gigabit Ethernet over STM-1/OC-3 NTU |   |
| RICi-4E1, RICi-4T1, RICi-8E1, RICi-8T1 | Mid-band Ethernet and Fast Ethernet over bonded E1 or T1 NTUs |   |
| SPS-4 | Multiprotocol Packet Switch |   |
| TinyBridge-100 | Miniature Remote Ethernet Bridge Extender |   |
| Vmux-210 | Analog Voice Trunking Gateway |   |