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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

June 12, 2026
Network engineer choosing between long lead times and available inventory.

For years, network operators evaluated infrastructure using familiar metrics: throughput, latency, port density, power consumption, and reliability. Those metrics still matter. But over the last several years, another factor has become impossible to ignore:

Availability....