Meridian America Link/Customer Controlled Routing manual Host computer cabling Application Module

Chapter 9: Meridian Link/CCR interface cabling 249

Host computer cabling (Application Module)

X.25 cabling:

As shown in Figures 65Ð74, a customer-supplied cable connects

¥J3 on the I/O subpanel

¥Host on the universal I/O panel

¥card 2 conn 2 on the generic I/O panel to the host computer.

Table 84 describes the pin assignments for this cable.

Table 84

Host port pinout

Pin	Signal	Direction	Connection
2	TXD	Input	P2 RXD
3	RXD	Output	P2 TXD
4	RTS	Input	P2 CTS*
5	CTS	Output	P2 RTS*
6	DSR	Output	P2 DTR*
7	GND		P2 GND
8	DCD	Output	+12 V
15	TXCI	Output	P2 TRXC* or open
17	RXCI	Output	P2 TRXC* or open
20	DTR	Input	P2 DSR*
24	TXCO	Input	P2 RTXC*

TCP/IP cabling:

As shown in Figure 71, an NT7D47EA drop cable connects the Ethernet connector on the generic I/O panel to an Ethernet transceiver. For pinout information of the NT7D47EA cable, refer to Table 94.

Meridian Link Release 5C/CCR Release 3C Installation and Upgrade Guide