Patton-electronic SmartNode 4830 Series Manual do Utilizador descarregar pdf (Página 39)

Installing the VoIP IAD 39

SmartNode 4830 Getting Started Guide 3 • Hardware installation

The signal pin-outs for the Model 4830 X.21 interface are shown in table 7.

The SN4830’s X.21 interface is wired as a DTE, however, it can also be conﬁgured as a DCE. The SN4830’s

X.21 interface requires a cable with a male DB-15 connector. Attach the male DB-15 connector of the X.21

cable to the female DB-15 connector on the SN4830. Attach the other end of the cable to the X.21 connector

on local modem or multiplexer device.

Installing the T1/E1 twisted pair cables. The T1/E1 is usually connected to a PBX or switch (local exchange

(LE)). Type and pin-outs of these devices vary depending on the manufacturer. In most cases, a straight-

through RJ-48C to RJ-48C can be used to connect to the T1/E1 (see for E1 RJ-48C pin-out listing) with a

PBX. A cross-over cable is required to connect to an NT1.

Figure 18. Rear panel of SN4830 T1/E1 -/K Model

Figure 19. Rear panel of SN4830 T1/E1 -/T Model

Table 8. Signal pin-outs for the X.21 interface on the SmartNode 4830

Pin Signal Pin Signal

1 Frame Ground 8 Signal Ground

2 TXDa 9 TXDb

3 CNTa 10 CNTb

4 RXDa 11 RXDb

5 INDa 12 INDb

6 SETa 13 SETb

Table 9. RJ-48C receptacle

Pin Signal

1 TX tip

2 TX ring

3 TX shield

4 RX tip

5 RX ring

6 RX shield

0/40/50/60/7

RX TX

0/40/50/60/7

1 2 ... 34 35 36 37 38 39 40 41 42 43 44 ... 88 89

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Patton-electronic SmartNode 4830 Series Manual do Utilizador Página 39