| 1218681 | MT90812AL | Integrated Digital Switch (IDX) | Mitel Semiconductor |
| 1218682 | MT90812AP | Integrated Digital Switch (IDX) | Mitel Semiconductor |
| 1218683 | MT90820 | 2048 x 2048 Channels Selectable Rate (2, 4, 8 Mbps) Non-blocking Large Digital Switch (LDX) | Zarlink Semiconductor |
| 1218684 | MT90820AL | CMOS ST-BUS¢â FAMILY Large Digital Switch (LDX) | Mitel Semiconductor |
| 1218685 | MT90820AP | CMOS ST-BUS¢â FAMILY Large Digital Switch (LDX) | Mitel Semiconductor |
| 1218686 | MT90823 | 2048 x 2048 Channels Selectable Rate (2, 4, 8 Mbps) 3.3 V Non-blocking Large Digital Switch (LDX) | Zarlink Semiconductor |
| 1218687 | MT90823AB | 3V Large Digital Switch | Mitel Semiconductor |
| 1218688 | MT90823AB | 3V Large Digital Switch | Zarlink Semiconductor |
| 1218689 | MT90823AG | 3V Large Digital Switch | Mitel Semiconductor |
| 1218690 | MT90823AG | 3V Large Digital Switch | Zarlink Semiconductor |
| 1218691 | MT90823AL | 3V Large Digital Switch | Mitel Semiconductor |
| 1218692 | MT90823AL | 3V Large Digital Switch | Zarlink Semiconductor |
| 1218693 | MT90823AP | 3V Large Digital Switch | Mitel Semiconductor |
| 1218694 | MT90823AP | 3V Large Digital Switch | Zarlink Semiconductor |
| 1218695 | MT90826 | 4096 x 4096 Channel Multiple Rate (2, 4, 8, 16 Mbps) 3.3 V Non-blocking Quad Digital Switch (QDX) with rate conversion | Zarlink Semiconductor |
| 1218696 | MT90826AG | Quad Digital Switch | Mitel Semiconductor |
| 1218697 | MT90826AL | Quad Digital Switch | Mitel Semiconductor |
| 1218698 | MT90840 | 512 X 2430 Channel Multiple Rate TDM ( 2, 4, 8 Mbps) to Parallel Port Distributed Hyperchannel Switch (DHS) for STS-1 and STS-3 Applications | Zarlink Semiconductor |
| 1218699 | MT90840AK | Distributed Hyperchannel Switch | Mitel Semiconductor |
|
| 1218700 | MT90840AP | Distributed Hyperchannel Switch | Mitel Semiconductor |
| 1218701 | MT9085 | CMOS PAC - Parallel Access Circuit | Mitel Semiconductor |
| 1218702 | MT9085AP | CMOS PAC - Parallel Access Circuit | Mitel Semiconductor |
| 1218703 | MT9085B | 1024 Channels TDM (ST-BUS) to Parallel Bus Access Circuit (PAC) | Zarlink Semiconductor |
| 1218704 | MT90863 | 2,048 x 512 channel 3.3 V Rate Conversion Digital Switch (RCDX), H.100 Compatible | Zarlink Semiconductor |
| 1218705 | MT90863AG1 | 3V Rate Conversion Digital Switch | Mitel Semiconductor |
| 1218706 | MT90863AL1 | 3V Rate Conversion Digital Switch | Mitel Semiconductor |
| 1218707 | MT90866 | 4,096 x 2,432 Channels Flexible Digital Switch with H.110 Interface | Zarlink Semiconductor |
| 1218708 | MT90866AG | WAN Access Switch | Mitel Semiconductor |
| 1218709 | MT90866AL | WAN Access Switch | Mitel Semiconductor |
| 1218710 | MT90868 | 32,768 x 8,192 Channels High Bandwidth Digital Switch with up to 128 Streams on Backplane and 128 Streams on Local and Data Rates From 8 to 32 Mbps | Zarlink Semiconductor |
| 1218711 | MT90869 | 16,384 x 16,384 Channels Flexible 16 k Digital Switch (F16kDX) with up to 64 Input and 64 Output Streams and data rates from 2 to 32 Mbps | Zarlink Semiconductor |
| 1218712 | MT90869AG | Flexible 16K Digital Switch (F16kDX) | Zarlink Semiconductor |
| 1218713 | MT9086AG | High bandwidth digital switch. | Zarlink Semiconductor |
| 1218714 | MT90870 | 12,288 x 12,288 Channels Flexible 12 k Digital Switch (F12kDX) with up to 48 Input and 48 Output Streams and Data Rates from 2 to 32 Mbps | Zarlink Semiconductor |
| 1218715 | MT90870AG | Flexible 12K digital switch (F12kDX). | Zarlink Semiconductor |
| 1218716 | MT90871 | 8,192 x 8,192 Channels Flexible 8 k Digital Switch (F8kDX) with up to 32 Input and 32 Output Streams and Data Rates from 2 to 16 Mbps | Zarlink Semiconductor |
| 1218717 | MT90871AV | Flexible 8K Digital Switch (F8KDX) | Zarlink Semiconductor |
| 1218718 | MT90880 | TDM to Packet Processors | Zarlink Semiconductor |
| 1218719 | MT90880B | TDM to Packet Processors | Zarlink Semiconductor |
| 1218720 | MT90880BP1N | TDM to Packet Processors | Zarlink Semiconductor |
