Fujitsu M2488 Maintenance Terminal, Maintenance Interface, Signal Name Abbreviation Direction

M2488 PRODUCT GUIDE MAINTENANCE AND SERVICING

8-7 MAINTENANCE TERMINAL

The maintenance terminal is attached to the rear of the M2488 via the 9-pin DIN connector. It has two functions, use as a terminal to run diagnostics using keyboard input and as a debug port for use with special tools that can be accessed by remote attach with a modem.

8-7.1 Maintenance Interface

A 9-pin (DB-9) maintenance interface (DTE device) is provided on the rear panel of the tape drive which is used for maintenance and diagnostic operation. Nearly all maintenance and all diagnostic capabilities are accessible through this interface. The maintenance interface connector is shown in Figure 8-3 and the pin assignments are indicated in Table 8-24.

5 4 3 2 1

9 8 7 6

Figure 8-3. Maintenance Connector (M2488)

Table 8-24. Maintenance Interface Connector Pin Assignments

	M2488				PC
CONNECTOR
CONTACT	SIGNAL NAME	ABBREVIATION	DIRECTION	25-PIN		SIGNAL
NUMBER
1	DATA CARRIER DETECT	DCD	IN	2		TX
2	RECEIVE DATA	RX	IN	3		RX
3	TRANSMIT DATA	TX	OUT	6		DSR
4	DATA TERMINAL READY	DTR	OUT	7		GND
5	SIGNAL GROUND	GND		20		DTR
6	DATA SET READY	DSR	IN	5		CTS
7	REQUEST TO SEND	RTS	OUT	4		RTS
8	CLEAR TO SEND	CTS	IN
9	RING INDICATOR	RI	IN

April 1997 CG00000-011503 REV. A 8-33