Physical Description - Nortel Meridian 1 Manual

Page 14 of 44 E&M tie trunk circuit card

Physical description

Supplement to 553-3011-210
• allows trunk type to be configured on a per unit basis in software
• provides termination against 600 ohms for 4-wire DC5 E&M trunk
circuits
• provides flexible transmission for various loss plans
• provides paging (PAG), recorded announcement (RAN), and Music
(MUS) interfaces.
Switch settings
There are no option switches on the NT5K19BA E&M Tie trunk card. All
settings are configured in software.
Connections
The NT5K19BA E&M Tie trunk card has four units. Each unit connects to
the shelf backplane through an 80-pin connector. The backplane is cabled to
the input/output (I/O) panel which is then cabled to the cross-connect
terminal. At the cross-connect terminal, each unit connects to external
apparatus by tip and ring leads.
Hardware installation
Tables 8 to 10 show cross connect terminations for the NT5K19BA E&M
trunk card.
Provisional 1.3 July 1993