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CHAPTER 4: CONNECTING TO DEVICES AND NETWORKS MODEM CONNECTIONS

D400 SUBSTATION GATEWAY USER’S MANUAL GENERAL 63

Modem connections

A COM2 port is provided on the COM2 Port Adapter or the Redundant TP Ethernet + COM2

Port Adapter. The COM2 port can support serial connections for the following dial-up

interfaces:

• External modem

• Point-to-point protocol (PPP) services

•Wide area network

The COM2 port provides a single DB-9 connector wired for an RS-574 DTE signal. The COM2

Port Adapter plugs into any NET slot (slots 11 and 12) of the D400. The Redundant TP

Ethernet + COM2 Port Adapter plugs into the NET1 slot (slot 11).

NOTE

The COM2 Port requires an external modem to provide dial-up functionality.

See “COM2 port adapter” on page 48 for more information.

To connect a modem

to the COM2 Port

Adapter

Connect a straight-through modem cable (not supplied with the D400) to the modem and

the D400’s COM2 port. Connect using the settings provided below.

Modem Settings:

• Baud rate: 38400 bps

• Data bits: 8

• Parity: Disabled

•Stop bit: 1

Figure 39: Modem to COM2 port 2 adapter

BI_D3+ 5 5 BI_D4+

BI_D3− 6 6 BI_D4−

BI_D4+ 7 7 BI_D3+

BI_D4− 8 8 BI_D3−

D400 PC

Name Pin Pin Name

Modem

GE D400 User Manual

Other manuals for GE D400