Zyxel VES-1624FT-55A [288/312] Alarm connector pin assignments

Zyxel VES-1624FT-55A [288/312] Alarm connector pin assignments
Chapter 54 Product Specifications
VES-1624FT-55A User’s Guide
288
Figure 159 Console Cable DB-9 Female Connector
54.4 ALARM Connector Pin Assignments
The following diagram shows the alarm connector pin layout.
Figure 160 ALARM Connector Pin Layout
1 Alarm input is only for dry contact without any power. Open or short circuit is
recommended.
Table 133 Console Cable Connector Pin Assignments
RJ-11 MALE DB-9 FEMALE
Pin 2: TXD Pin 2
Pin 3: RXD Pin 3
Pin 4: GND Pin 5
Table 134 ALARM Connector Pin Assignments
PIN DESCRIPTION
1, 2, 6 Open the circuit of pins 1 and 6 and close the circuit of pins 2 and 6
to signal an alarm.
3, 7 Pins for alarm input 1.
4, 8 Pins for alarm input 2.
5, 8 Pins for alarm input 3.
9, 8 Pins for alarm input 4.
Pin 1
Pin 6
Pin 5
Pin 9

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