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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

November 12, 2025
Technician inspecting network switches in a data center with caption.

The enterprise IT world has a bias toward the new: new gear, new firmware, new models. But for many network operators, architects, and data center managers, that’s starting to change. The cost, complexity, and delay of buying brand-new hardware is pushing smart teams to rethink their...