Comtech EF Data CDM-760 - Manual (Page 17)

Table of Contents Revision 2
CDM-760 Advanced High-Speed Trunking Modem MN-CDM760 / CD-CDM760
xiii
APPENDIX K. QUALITY OF SERVICE (QOS) ........................................................................ K–1
K.1 Overview ............................................................................................................................................... K–1
K.2 QoS Characteristics ............................................................................................................................... K–1
K.2.1 Traffic Filtering ......................................................................................................................................... K–1
K.2.2 Traffic Shaping .......................................................................................................................................... K–1
K.3 Traffic Shaping Functionality (QoS) ....................................................................................................... K–2
K.3.1 Classification ............................................................................................................................................ K–2
K.3.2 Prioritization ............................................................................................................................................. K–3
K.3.3 Drain ......................................................................................................................................................... K–3
K.3.3.1 Max/Priority Mode .......................................................................................................................... K–3
K.3.3.2 Min/Max Mode ............................................................................................................................... K–4
K.3.3.3 DiffServ Mode .................................................................................................................................. K–5
K.4 Weighting .............................................................................................................................................. K–5
K.4.1 Overview .................................................................................................................................................. K–5
K.4.2 Weights .................................................................................................................................................... K–5
K.4.2.1 Order of Scheduling ......................................................................................................................... K–5
K.4.2.2 Weighted Scheduling ....................................................................................................................... K–6
K.4.2.3 Operational Examples ..................................................................................................................... K–7
K.4.2.3.1 Example 1 ................................................................................................................................... K–7
K.4.2.3.2 Example 2 ................................................................................................................................... K–9
K.4.2.3.3 Example 3 ................................................................................................................................. K–11
K.4.2.3.4 Example 4 ................................................................................................................................. K–13
2B
FIGURES
Figure 1-1. CDM-760 Advanced High-Speed Trunking Modem ................................................................ 1–1
Figure 1-2. CDM-760 Dimensional Envelope ............................................................................................ 1–4
Figure 1-3. CDM-760 Front Panel View ..................................................................................................... 1–5
Figure 1-4. CDM-760 Rear Panel View ...................................................................................................... 1–6
Figure 1-5. 70/140 MHz Input Level vs. Symbol Rate ............................................................................. 1–12
Figure 1-6. L-Band Input Level vs. Symbol Rate ...................................................................................... 1–12
Figure 2-1. Unpack and Inspect the Shipment .......................................................................................... 2–1
Figure 2-2. Install the Unit into a Rack Enclosure ..................................................................................... 2–3
Figure 2-3. Install the Optional Rear Support Brackets Kit ....................................................................... 2–4
Figure 2-4. Install the Optional Bearingless Rack Slide Set ....................................................................... 2–6
Figure 3-1. Coaxial Connector Examples ................................................................................................... 3–1
Figure 3-2. D-Subminiature Connector Examples ..................................................................................... 3–3
Figure 3-3. CDM-760 Cabling Connections ............................................................................................... 3–4
Figure 3-4. Typical SFP Module Installation ............................................................................................ 3–10
Figure 3-5. PIIC Data Interface Slots ....................................................................................................... 3–11
Figure 3-6 Install a PIIC Data Module ...................................................................................................... 3–11
Figure 3-7. Optional High-Speed Packet Processor ................................................................................ 3–12
Figure 3-8. Chassis Ground Interface ...................................................................................................... 3–13
Figure 3-9. AC Power Interface ............................................................................................................... 3–14
Figure 3-10. Apply AC Power to the unit ................................................................................................ 3–14