Table of Contents
Advertisement
OnSite Series Getting Started Guide
Installing the Chassis Ground Connection
The OS-10 system chassis requires a reliable earth ground connection. You must connect the chassis to a reli-
able earth ground. The ground wire must be installed in accordance with local electrical safety standards.
Grounding Standard
EN/IEC 60950
NEBS
NEC (National Electric Code) AWG 14 (2 mm2) or larger wire and an
To connect the OS-10 system chassis to a reliable earth ground, follow these steps:
1. Strip one end of the ground wire to the length required for the ground lug or terminal.
Note
Note
2. Crimp the ground wire to the ground lug or ring terminal, using a crimp tool of the appropriate size.
3. Attach the ground lug or ring terminal to the chassis grounding terminal location shown in Figure 3.
4. Connect the other end of the ground wire to a suitable grounding point at your site.
After installation and proper grounding of the OS-10 chassis, you can connect the following:
•
Power wiring
•
Cables for the fiber-optic interface and Category 5 cables for E1 and Ethernet client signal interfaces
•
Category 5 cables for the Ethernet LAN and SERIAL management ports
Connecting Power to the OS-10 System
The system supports AC and DC power options, as listed in
Power Options
AC
110 VAC at 50 Hz and
220 VAC at 60 Hz
DC
–48VDC
Note
Note
OnSite System Installation
Table 6. Ground Wire Specifications
For the NEBS ground lug, the length is approximately 0.75 inches
(20 mm)
For a user-provided ring terminal—as required
Table 7. OS-10 Power Options
Nominal Input
Tolerance Limit
100 to 245 VAC
–36 to –72 VAC
Both AC and DC options provide short-circuit and over-voltage pro-
tection.
The DC option provides reverse input polarity protection.
Wire
AWG 18 (1 mm2) or larger wire and an
appropriate user-supplied ring terminal
AWG 6 (13 mm2) wire and the ground
lug provided in the accessory kit
appropriate user-supplied ring terminal
Table
7. These options are factory installed.
Auto-switching AC to DC power converter
Auto-switching AC to DC power converter
3 • Installation Overview
Feature
33
Advertisement
Table of Contents
