NETGEAR XM128 ISDN manual LED descriptions, Label Color Activity Description, Pwr

Reference Guide for the Model XM128 ISDN Digital Modem

1 2 3 4

	U	INTERFACE
			128Kpbs ISDN Digital Modem
PWR				D B1 B2 AA CP		DTR DSR RTS CTS TD RD
					ISDN		COM

MODELXM128

1 2

7847MEA

Key:

1 = PWR (power) LED

2 = ISDN LEDs

3= RS-232 COM LEDs

4= PHONE 1 and PHONE 2 LEDs

Figure 1-2. Front panel of the Model XM128 modem (with U interface)

LEDs on the front panel of the Model XM128 modem allow you to monitor and diagnose the device. Table 1-2 describes each LED.

Table 1-2.	LED descriptions
Label	Color	Activity	Description
PWR	Yellow	On	Power is supplied to the modem.
(Power)
ISDN LEDs:
D	Green	On	The ISDN link on the D channel is active.
		Blinking	The modem is attempting to make a connection to the switch.
B1		On	A connection is established to the B1 channel.
B2		On	A connection is established to the B2 channel.
AA		On	The Model XM128 modem is in the automatic answering mode.
CP		Blinking	An incoming call is ringing.
		On	Compression is active on either of the B channels.

1-4 Introduction