Read Panasonic KX-NCP1188XJ Service Manual online
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KX-NCP1188XJ
4.3.
Line Interface Function
4.3.1.
Line Interface Outline
E1 card uses the E1-IC (IC302)(Mitel) as the IC for the line interface.
Also, see the E1-IC (IC302) Data Sheet for the detailed specifications.
Also, see the E1-IC (IC302) Data Sheet for the detailed specifications.
4.3.2.
Line Interface Loopback
This card has a relay for loopback test on the primary side of the line to cut and divide into the line failure or the PBX's own fail-
ure, when there is a defect in operation.
ure, when there is a defect in operation.
Item
Contents
Remarks
Line Extraction Clock
2.048MHz
DPLL
Low Jitter DPLL for calk generation
Elastic Buffer
Two-frame elastic buffer (Rx & Tx)
Signaling Controller
• HDLC0: Data link (4, 8, 12, 16, 20kbps)
• HDLC1: CCS times slot 16
• HDLC1: CCS times slot 16
Built-in two pieces
FIFO (HDLC0)
128Byte x 2
TX/RX Variable in the range from 16 Byte to 128Byte in
increments of 16Byte.
increments of 16Byte.
FIFO (HDLC1)
128Byte x 2
TX/RX Variable in the range from 16 Byte to 128Byte in
increments of 16Byte.
increments of 16Byte.
PCM Highway Interface
ST-BUS Interface (2.048Mbps)
µP-Interface
8bit parallel Bus (Intel/Motorola)
Used Intel Mode for E1 Card.
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