NEC Electra Elite IPK II System User Manual page 750

Document Revision 4C
ETU
COI(4)-U10
COI(8)-U10
COID(4)-U10
COID(8)-U10
COIB(4)-U10
COIB(4)-U20
COIB(4)-U30
COIB(8)-U20
COIB(8)-U30
Caller ID is not supported for Ground Start trunks.

ISDN BRI
Refer to the ISDN Compatibility on page 2-635
ISDN PRI
Refer to the ISDN Compatibility on page 2-635
T-1 Trunks
Refer to the T1 Trunking (with ANI/DNIS Compatibility) on page 2-941
Conditions
Each TLI(2)-U( ) ETU supports two 4-wire E&M Tie Lines.

Each COI(8)-U( ) ETU has eight switches (one for each port) that can be used to select

either Loop or Ground Start per trunk.
Each COIB(4)-U10 ETU has four switches (one for each port) that can be used to select

either Loop or Ground Start per trunk.
Ground Start Trunks do not support Caller ID.

2 - 726
CO Message
Caller
Waiting
ID

Indication
X
X
X
X
X X
X
X X
feature for related information.
feature for related information.
Pad Loop Ground
Control Start Start
X
X X
X
X
X X
X X
X X
X X
X X
feature for related information.
Electra Elite IPK II
Fax
Branch
X
X
X
X
X
Multiple Trunk Types