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Expansion module - serial RS-530
The PMM-616004 is a PatchMate patch module without LEDs. The module provides patch cord access to terminated EIA-530 data circuits, patches 25 leads, and contains three front panel ports for easy passive or intrusive access to the data circuits. There are rear/bottom DCE plugs available. Use this module with chassis PMCH-1 or PMCH-2. No power supply is required.
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