Rainbow Electronics DS21458 User Manual
Page 33
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)