Installation - NEC UNIVERGE SV8100 System Hardware Manual

Issue No. 1.5
6 - 84
Refer to the following table for maximum upgrade capacities of the
CD-4ODTA blade:
Table 2-4 SV8100 Maximum System Capacities – Blades on
page 2-7
5.7.2

Installation

1. Set the straps for either the 2-wire or 4-wire. Refer to
6-29 CD-4ODTA Blade on page
2. Install the CD-4ODTA into a slot in the chassis.
Limitation depends on the connecting Router,
Multiplexer or Exchange. If the UNIVERGE
SV8100/SV8300 is connected to another
UNIVERGE SV8100/SV8300 directly, there is up
to 1,500 ohms loop resistance (including system).
When a router or multiplexer is connected
instead of a trunk, the SG terminal of the router
or multiplexer must be connected to the FG
grounding terminal on the UNIVERGE
SV8100/SV8300 chassis. When a tie line trunk
is connected, the FG terminal must be
connected to the ground. If the FG terminal is
not connected correctly, the signal may fail.
When tie lines are connected to the system, be
careful of the Tip and Ring polarity.
Installing the SV8100/SV8300 Blades
UNIVERGE SV8100/SV8300
6-83.
Figure