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Interface Modules

Part Number Description

1xDS3 PIM - Spare

1 Port E3 PIM - Spare

2 Port Channelized T1/E1 PIM - Spare

2 Port E1 PIM with integrated CSU/DSU - Spare

2 Port Serial PIM - Spare

2 Port 2-wire or 1 Port 4-wire G.SDHSL PIM - Spare

2 Port T1 PIM with integrated CSU/DSU - Spare

4xISDN BRI - S Interface - Spare

4xISDN BRI - U Interface - Spare

1000BASE-T Gigabit Copper Transceiver SFP Module

16 Port Gigabit Ethernet 10/100/1000 Copper Double-height Universal PIM - Spare

BLOG

January 07, 2026
Highway offramp meme with 400G ahead and 100G to the right

If you listen to vendor roadmaps and conference keynotes, you’d think anything below 400G belongs in a museum. But step into real networks in 2026 — service providers, regional ISPs, enterprise data centers, hybrid-cloud edges — and a very different reality emerges.

100G...