NEC SV8500, Manual

Page: 2849 / 3438

VOL.3-362
CHAPTER 3 NETWORK INTERFACE
2. Analog TIE Line
2.1 General
Here explains how to connect Analog TIE LIne. For this connection a TIE Line Trunk (TLT) Circuit Card is
required. TLT circuit card provides eight trunks whose interface can be selected among the following four types
by key setting on a four-channel basis.
• Loop Dialing (LD)
• Direct Inward Dialing (DID)
• 2-wire E & M
• 4-wire E & M
Analog TIE Line Connection
2.2 Installation Procedure
Follow the procedure below to install an analog TIE line.
STEP 1: Install a TLT circuit card into a proper slot of PIR for connecting analog TIE Line. For more informa-
tion about TLT circuit card, refer to the Circuit Card Manual. When the analog Tie Line is connected
to an available port of the already-installed TLT card, this step is not necessary.
STEP 2: Check the terminal locations on the MDF. To identify the lead names and the lead’s terminal locations,
refer to LT Connector Lead Accommodation of the circuit card in the Circuit Card Manual.
STEP 3: Provide the necessary cross connection on the MDF referring to the following figure.
Loop Dialing (LD)
Direct Inward Dialing (DID)
2/4-wire E & M
Analog
Telephone Analog
Telephone
TLT TLT
Analog Line
Telephony
Server
Telephony
Server
LC LC
TIE Line
Network