Hardware Requirements; Circuit Cards; Cables - Nortel Meridian 1 Administration And Maintenance

Page 434 of 492

Hardware requirements

Circuit cards

Cables

553-3011-311 Standard 7.0
Appendix A — 2Mb PRI implementation
To implement 2.0 Mb PRI on the Meridian 1 Option 11, an NTAK79 or an
NTBK50 PRI card plus associated daughterboards is required.
Table 28
2.0 Mb PRI hardware requirements
Circuit card
NTBK50
NTAK79
NTAK20
NTAK93
NTBK51
The following cables are required for PRI connections:
— CEPT Cable - NTBK05DA (120 ¾ twisted pair—6.15 m length)
or
CEPT Cable - NTBK05CA (75 ¾ coaxial—6.15 m length)
May 1999
Description
2.0 Mb PRI circuit card
Supports the NTAK20 clock controller
daughterboard and a D-channel handler
interface daughterboard:
•NTAK93 D-channel handler, or
•NTBK51 Downloadable D-channel handler
2.0 Mb PRI circuit card
Supports an on-board clock controller and an
on-board D-channel handler interface.
Clock-controller daughterboard. Option 11
supports only one active clock controller per
system.
Connects to the NTBK50 PRI card
D-Channel-handler interface (DCH)
daughterboard
Connects to the NTBK50 PRI card.
Downloadable D-Channel daughterboard
(DDCH).
Connects to the NTBK50 PRI card.