NEC UNIVERGE SV8100 System Hardware Manual page 225

UNIVERGE SV8100
System Hardware Manual
One Blade status LED
Four Caller ID Circuits
Two Power Failure Transfer Circuits
Connection for COIDB Daughter Board
The 4COIU blade consumes four trunk ports ranging between ports
001~200. The CN2 connector provides connection to four analog
trunk ports, which are polarity sensitive (tip-to-tip, ring-to-ring).
The power failure circuits (CN3), however, are not polarity sensitive.
The trunk ports are polarity sensitive. Be
careful when wiring the trunks.
When connecting the RJ-61 cables to the
CD-4COTA blades, note the position of the
Power Failure connector (CN3). Do not
confuse this connector as the trunk connector
(CN2).
Do not wire an RJ-11 directly to the
CD-4COTA interface. Use the appropriate
RJ-61 wiring when connecting to the
CD-4COTA.
Table 4-39 CD-4COTA Maximum Upgrade Capacities
maximum capacities for the 4COIU blades when they are upgraded.
Table 4-39 CD-4COTA Maximum Upgrade Capacities
19" Chassis 19" Chassis
with CPU without CPU
5
19" Chassis
x4
6 23
Issue 7.0
provides the
Networked
Chassis
25
4 - 75