Tl Interface - Panasonic DBS 40 Installation Manual

Section 300~installation
Guidelines
Table 4-6.
CPC-B 4.0 or
Higher
(See Note 1.)
Notes:
1. Version
2. An MFR card is required for DID/DNIS if DTMF signaling is used. If DID/DNIS is provided through
DP signaling, an MFR card is not re@ired.
3. SCC-B with ROM 1.3 or higher is required if the central office does not provide Tl dial tone.
DBS-70-300
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Connect the test set across the tip and ring of the trunk to be tested. with
the test set in the "monitor" position, apply ground to the ring side of the
trunk.
If you hear dial tone, the polarity of the trunk is okay, and you can switch
the test set to the "talk" mode to test the voice path.
If you do not hear dial tone, ground the tip side of the trunk. If you
receive dial tone when grounding the tip side, polarity is reversed.
Read the following guidelines before beginning Tl installation. Installation
instructions begin on page 4-2 1.
Hardware Requirements
The Tl requires the following DBS hardware.
l
(VB-43421)
1
1
(See Notes 2 and 3.)
1.3 or higher of thk Bus Processor Unit (BPU) chip is required for Tl.
(VB-4356 1)
1
DBS Manual - Issued 8/t/95
Sync Unit
(VB-43562) (VB-43563)
1
4-11