Owner's manual

DS21455/DS21458 Quad T1/E1/J1 Transceivers
33 of 270
PIN NAME TYPE FUNCTION
N20 TNEGO4 O Transmit Negative-Data Output from Framer on Transceiver 4
W3 TPOSI1 I Transmit Positive-Data Input for the LIU on Transceiver 1
C20 TPOSI2 I Transmit Positive-Data Input for the LIU on Transceiver 2
A8 TPOSI3 I Transmit Positive-Data Input for the LIU on Transceiver 3
R19 TPOSI4 I Transmit Positive-Data Input for the LIU on Transceiver 4
V7 TPOSO1 O Transmit Positive-Data Output from Framer on Transceiver 1
C19 TPOSO2 O Transmit Positive-Data Output from Framer on Transceiver 2
C9 TPOSO3 O Transmit Positive-Data Output from Framer on Transceiver 3
N19 TPOSO4 O Transmit Positive-Data Output from Framer on Transceiver 4
Y2 TRING1 O Transmit Analog Ring Output for Transceiver 1
Y4 TRING2 O Transmit Analog Ring Output for Transceiver 2
Y6 TRING3 O Transmit Analog Ring Output for Transceiver 3
Y8 TRING4 O Transmit Analog Ring Output for Transceiver 4
W9 TSER1 I Transmit Serial Data for Transceiver 1
C17 TSER2 I Transmit Serial Data for Transceiver 2
C10 TSER3 I Transmit Serial Data for Transceiver 3
K20 TSER4 I Transmit Serial Data for Transceiver 4
W10 TSIG1 I Transmit Signaling Input for Transceiver 1
C18 TSIG2 I Transmit Signaling Input for Transceiver 2
A10 TSIG3 I Transmit Signaling Input for Transceiver 3
L19 TSIG4 I Transmit Signaling Input for Transceiver 4
W12 TSSYNC1 I Transmit System Sync for Transceiver 1
B18 TSSYNC2 I Transmit System Sync for Transceiver 2
D10 TSSYNC3 I Transmit System Sync for Transceiver 3
K19 TSSYNC4 I Transmit System Sync for Transceiver 4
U16 TSTRST I Test/Reset
V1 TSYNC1 I/O Transmit Sync for Transceiver 1
D20 TSYNC2 I/O Transmit Sync for Transceiver 2
C7 TSYNC3 I/O Transmit Sync for Transceiver 3
R18 TSYNC4 I/O Transmit Sync for Transceiver 4
W11 TSYSCLK1 I Transmit System Clock for Transceiver 1
A19 TSYSCLK2 I Transmit System Clock for Transceiver 2
A11 TSYSCLK3 I Transmit System Clock for Transceiver 3
N18 TSYSCLK4 I Transmit System Clock for Transceiver 4
Y1 TTIP1 O Transmit Analog Tip Output for Transceiver 1
Y3 TTIP2 O Transmit Analog Tip Output for Transceiver 2
Y5 TTIP3 O Transmit Analog Tip Output for Transceiver 3
Y7 TTIP4 O Transmit Analog Tip Output for Transceiver 4
W2 TVDD — Transmit Analog Positive Supply
G19 TVDD — Transmit Analog Positive Supply
D11 TVDD — Transmit Analog Positive Supply
U19 TVDD — Transmit Analog Positive Supply
W4 TVSS — Transmit Analog Signal Ground
G18 TVSS — Transmit Analog Signal Ground
C5 TVSS — Transmit Analog Signal Ground
U18 TVSS — Transmit Analog Signal Ground
K3
WR (R/W)
I Write Input (Read/Write)