System Timing; System Power; Ac Power Specifications - Cisco NCS 2006 Hardware Installation Manual

Hardware Specifications
• 2 derived T1 outputs wire wrap for applications
• 2 E1 BITS input DIN-1.0/2.3 for ETSI applications
• 2 E1 BITS output DIN-1.0/2.3 for ETSI applications

System Timing

The NCS 2006 for ANSI has the following system timing specifications:
• Stratum 3 per Telcordia GR-253-CORE
• Free running accuracy: +/- 4.6 ppm
• Holdover stability: 3.7 x 10-7 per day, including temperature (< 255 slips in first 24 hours)
• Reference: External BITS, line, internal
The NCS 2006 for ETSI has the following system timing specifications:
• Stratum 3, per ITU-T G.813
• Free running accuracy: +/- 4.6 ppm
• Holdover stability: 3.7 exp -7 per day, including temperature (< 255 slips in first 24 hours)
• Reference: External BITS, line, internal

System Power

AC Power Specifications

The NCS 2006 has these AC power specifications:
• Shelf power consumption: Configuration dependent; 130 W (Fan Tray, LCD, and ECU module).
• Power terminals standard 3-pole AC connector.
• Fuse rating for an AC power supply must not exceed 10 A, 15 A, or 20 A depending on the standard in
The following table lists power specifications of the AC power modules for the NCS 2006 shelf.
Table 24: NCS 2006 AC Power Specifications
AC Power Module
NCS2006-AC
various countries. For North America, the branch circuit protection must be rated 20 A.
Input Voltage Range
100–120 V AC (US nominal
range), 60Hz
200–240 V AC (Europe
nominal range), 50Hz
Output Voltage
-48.0 V DC
-48.0 V DC
Cisco NCS 2000 Series Hardware Installation Guide
System Timing
Load
1200 W
1500 W
469