NEC Univerge SV8100 System Hardware Manual page 199
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Also See for Univerge SV8100:
- Features and specifications manual (2210 pages) ,
- Features & specifications manual (1174 pages) ,
- Programming manual (986 pages)
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5.7.2
4-82
CHUYÊN CUNG CẤP TỔNG ĐÀI NEC
Limitation depends on the connecting Router, Multiplexer
or Exchange. If the UNIVERGE SV8100 is connected to
another UNIVERGE SV8100 directly, there is up to 1,500
ohms loop resistance (including
Table 4-49 CD-4ODTB Maximum Upgrade Capacities
maximum capacities for the CD-4ODTB blades when they are upgraded.
Table 4-49 CD-4ODTB Maximum Upgrade Capacities
19" Chassis
with CPU
5
Installation
♦
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 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.
1. Set the straps for either the 2-wire or 4-wire. Refer to
CD-4ODTB Blade on page
2. Install the CD-4ODTB into a slot in the chassis.
19" Chassis
19" Chassis x4
without CPU
6
4-80.
Installing the SV8100 Blades
http//vietpro.com.vn
UNIVERGE SV8100
system).
provides the
Networked
Chassis
23
50
Figure 4-28
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