Nortel Meridian 1 Option 11C Planning And Installation Manual page 33

Table 2
Cable and wire specifications (Part 3 of 3)
Cables and wires
NTBK05CA coax cable
NTBK05DA twisted pair cable
NTAK10 2.0 Mb DTI cable
NTAK79 2.0 Mb PRI cable
NTAK50 2.0 Mb PRI cable
NE-A25B 25-pair cable
#6 AWG (#40 Metric Wire Gauge) insulated
ground wire
Cross-connecting wire
Miscellaneous items
The following is a list of typical miscellaneous items that can be used as part
of the system installation. Quantities needed depend on the site and customer
requirements:
• QUA6 Power fail transfer units (PFTU) to transfer lines during a power
or system failure
• modems or Data Communication Equipment (DCE) for remote access to
the system
• on-site Data Terminating Equipment (DTE) or teletypewriter (TTY)
terminal for accessing the system
• connecting blocks for the cross-connect terminal
• transformers and centralized power supplies for items such as digit
displays on telephones
• optional equipment such as music sources, RAN machines, paging
equipment and CDR devices
• NTAK92 Off-Premise Protection module for connecting up to four
off-premise analog telephones
Equipment identification Page 33 of 408
Purpose/description
Provides DTI/PRI connections.
Brings Tx and Rx pairs to a standard 5 pin
connector.
Connects peripheral equipment cards to
cross-connection terminals. NE-A25B
connector slots are located on the bottom of
each cabinet.
Connects a system cabinet to a building
ground source.
Makes cross-connections at the cross-connect
terminal.
Option 11C Planning and Installation Guide