Datacom DM991C Handbuch PDF herunterladen (Seite 31)

Product Manual - DM991 Series V Family - 204.4092.08 31

7.2.4. Digital Interface Selection (E10, E12 and E13)

Define if the electrical characteristics of the digital interface will be according to the V.35 or V.36/V.11

recommendation.

Position V.35: V.35 interface- factory standard.

Position V.11: V.36/V.11 interface.

7.2.5. Pinning on connector DB25 (E500 to E522) – Optional

As an option, DM991C/CE equipment can come from the factory with straps E500 to E522. These straps

allow you to select the pinning standard for connector DB25 in digital interface V.35-V.36/V.11.

Position 0-1: Telebrás standard pinning.

Position 0-2: ISO2110 Amd.1 standard pinning – factory default.

Be careful as not to let those straps be in the grounded position when a twisted pair (120ohms) is used.

This strap is available only on equipment with PCI rev. 04 or higher.

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Datacom DM991C Handbuch Seite 31