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Siemens PCB Card Central Office Trunk SATURN IIE TCM53013-1 4980042017 TMBM

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41593
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Siemens PCB Card Central Office Trunk SATURN IIE TCM53013-1 4980042017 TMBM
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Siemens PCB Card Central Office Trunk SATURN IIE TCM53013-1 4980042017 (TMBM)
  • The Siemens Both-Way Trunk Module (TMBM) PCB, provides either one-way or two-way, inward and/or outward trunk service for Central Office (CO), Foreign Exchange (FX), and Wide Area Telephone Service (WATS) applications. The TMBM contains four separate trunk circuits (numbered 0, 2, 4, and 6). Each circuit provides two-wire analog service between the SATURN IIE System and a CO loop-start or ground-start trunk. The trunk circuits translate the incoming analog signals into PCM signals (and the outgoing PCM signals into analog signals).
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