RuggedCom M2100 - Manual (Page 13)

2. Installation
RuggedCom® RuggedSwitch® 13 M2100 Installation Guide Rev 1.0
Terminal # Description Usage
3 PS1 Neutral / -
PS1 Neutral / - is connected to the negative (-) terminal if the power source
is DC or to the (Neutral) terminal if the power source is AC.
4 Chassis Ground
Chassis Ground is connected to the Safety Ground terminal for AC inputs
or the equipment ground bus for DC inputs. Chassis ground connects to
both power supply surge grounds via a removable jumper.
5 PS2 Live / +
PS2 Live / + is connected to the positive (+) terminal if the power source is
DC or to the (Live) terminal if the power source is AC.
6 PS2 Surge Ground
PS2 Surge Ground is connected to the Chassis Ground via a jumper on
the terminal block. Surge Ground is used as the ground conductor for all
surge and transient suppression circuitry. NOTE: Surge Ground must be
disconnected from Chassis Ground during HIPOT (dielectric strength)
testing.
7 PS2 Neutral / -
PS2 Neutral / - is connected to the negative (-) terminal if the power source
is DC or to the (Neutral) terminal if the power source is AC.
8 Relay NO Contact Normally open, failsafe relay contact.
9 Relay Common Failsafe relay common contact.
10 Relay NC Contact Normally closed, failsafe relay contact.
Table 2.1. M2100 Power terminal block connection description
2.2.1. AC Power Supply Wiring Examples
Figure 2.4. AC Single Power
Supply Wiring Example
Figure 2.5. AC Dual Redundant
Power Supply Wiring Example
• 100-240 VAC rated equipment: A 250 VAC appropriately rated circuit breaker must be
installed.
• Equipment must be installed according to the applicable country wiring codes.