Product manual

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.