Switch S1; Connections; Figure 5-28 Ipt(4)/(8)-U( ) Etu Connections - NEC ElectraElite 48 System Hardware Manual

Issue 6
5 - 46
4.9.6

Switch S1

Switch S1 must be in PD (power down) for ETU installation,
and placed in PU (power up) to activate the ETU. After the
ETU is activated, S1 is placed in PD to power down the
ETU for removal.
4.9.7

Connections

VoIP Trunk VoIP Trunk
ETU Card

Figure 5-28 IPT(4)/(8)-U( ) ETU Connections

RJ-45
Connector
Ethernet
Installing Electronic Telephone Units
Electra Elite