ArcLight Hub User’s Guide
Component Operating Procedures
Rev. 001 1081006 5-33
Table 5-3. MCD Reference Specification
Spec.No. Description Limits
1 Reference frequency 10 MHz
2 Reference frequency stability Stability over time and temperature: +/- 0.05 ppm
3 Reference phase noise mask Freq offset
100 Hz: -110 dBc/Hz
1 kHz: -130 dBc/Hz
10 kHz to 10MHz -140 dBc/Hz
4 Waveform Squarewave
5 Level TTL into 50 ohms
6 Duty cycle 50% +/- 5%
7 Input return loss >14 dB
8
Input impedance 50 ohm
9
Connector BNC female (50 ohms)
Table 5-4. ABS Chassis I/O Requirements.
Type Qty Description
BNC 1 IF IN (70 MHz IF or L-band 950
- 2150 MHz) input
BNC 1 REF IN (10 MHz Reference
input)
IEC 320 2 Universal input power
connectors with switch and
internal fuse or circuit breaker
5.10.3 Installation
5.10.3.1 MCD Hardware Installation
Refer to the ArcLight Hub Installation Manual for MCD cabling and
rack placement instructions.
5.10.3.2 MCD Software Installation
Refer to the ArcLight MCD software release-specific Installation and
Upgrade Procedure documentation available on the ArcLight Hub
Software release CD-ROM for MCD software installation and upgrade
procedures.
5.10.4 Configuration
5.10.4.1 NMS Configuration
In normal operation, the MCD is configured from the NMS using its
proprietary SNMP MIB. This is explained in Section 3:
Screen
Descriptions for NMS Client and its subsections.
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