2N NetStar Hardware manual - Manual (Page 33)

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2.10 DIGITAL COMBO Card
The Digital Combo card consists of 4 BRI ports and 4 DVL ports used for the
connection of the digital telephone sets.
The specifications and characteristics of the ports match the specifications and
characteristics of the card itself.
If you desire to use the BRI port for synchronisation purposes, no line card
position may be skipped between this card and the SWITCH card.
The card is installed into the line card position of the basic module.
The set–up of the Jumpers on the board determines the
NT or TE port type
NT
Pins 1–2, 3–4, 5–6, 7–8 and power supply pins to be connected