Single Wan Interface V.35/X.21 (Optional); Figure 5 Single V.35/X.21 Wan Interface (Single Interface) - Nortel Contivity 4600 Installing

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Chapter 2 Cabling the Switch 31

Single WAN interface V.35/X.21 (optional)

The V.35/X.21 WAN connector is located on a PCI card that offers a separate

connector that provides the signals needed to interface to V.35/X.21. Included in

the accessory box are two cables that map the signals to a standard V.35

connector. You need a CSU/DSU (channel service unit/digital service unit)

between the WAN connection and the switch. This section documents the

connector and cables used with the V.35 and/or those used with X.21 WAN

synchronous adapters.

The cables provided with the WAN PCI card enable the WAN adapter to function

as DTE (Data Terminal Equipment).

Figure 5

shows the single V.35/X.21 WAN

interface.

Table 6

on the following page shows the DB28S-to-V.35 cable pinouts.

Table 7

shows the DB28S-to-X.21 cable pinouts.

Installing the Contivity 4600

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