Hardware manual

Issue 8 Electra Elite
5 - 42 Installing Electronic Telephone Units
4.6.6 Connections
4.6.7 ETU Feature Chart
Figure 5-23 COIB(8)-U20/U30 ETU Connections
MDF
T 1
R 1
T 2
R 2
T 3
R 3
T 4
R 4
T 5
R 5
T 6
R 6
T 7
R 7
T 8
R 8
T
R
T
R
T
R
T
R
T
R
T
R
T
R
T
R
CO
Demark
ETU
Caller ID
See Note
CO
Message
Waiting
indicate
Pad
Control
Loop
Start
Ground
Start
Fax
Branch
CAMA
Trunk
COI(4)-U( ) X X X
COI(8)-U( ) X X X
COID(4)-U( ) X X X X
COID(8)-U( ) X X X
COIB(4)-U( ) X XXXX
COIB(4)-U20 X X X X X
COIB(4)-U30 X X X X X X
COIB(8)-U( ) X X X X
COIB(8)-U30 X X X X X
Caller ID is not supported for Ground Start trunks.
CAMA trunk support is provided on COIB(4)-U20/U30 port 3. Other ETUs listed, except COIB(8)-U20/
U30) ETU, support CAMA trunks on all ports.