Nortel Communication Server 1000S Installation And Configuration Manual page 20

Page 20 of 394 ISDN Primary Rate Interface equipment overview
553-3001-201 Standard 2.00
• Echo canceller
• ROM circuit card requirements:
— the QPC939A for a CS 1000M HG
— the QPC939A for CS 1000M SG
Note: CS 1000M MG ROM requirements are fulfilled by the NT6D66
Call Processor (CP) card.
• QMT8 Asynchronous Data Module (ADM)
See Figure 1 for a representation of the basic PRI system hardware.
Note: Figure 1 shows a basic configuration, not the dual-port NT5D12
DTI/PRI card, nor the associated dual-port NTBK51AA Downloadable
D-Channel daughterboard.
September 2004