SP3508 Datasheet, PDF (27/33 Pages) Sipex Corporation – Rugged 3.3V, 20Mbps, 8 Channel Multiprotocol Transceiver with Programmable DCE/DTE and Termination Resistors

DCE CONFIGURATION
SP3508 Multiprotocol Configured as DCE
Interface to Port-
Interface to System Logic
Connector
Pin
Pin
Number Pin Mnemonic
Circuit
Pin Mnemonic Number
31
TxD
Driver_1
SD(A)
97
2
SDEN
SD(B)
99
32
TxCE
Driver_2
TT(A)
93
3
TTEN
TT(B)
95
33
ST
Driver_3
ST(A)
89
4
STEN
ST(B)
91
34
RTS
Driver_4
RS(A)
81
5
RSEN
RS(B)
83
35
DTR
Driver_5
TR(A)
85
6
TREN
TR(B)
87
36
DCD_DCE
Driver_6
RRC(A)
79
7
RRCEN
RRC(B)
77
37
RL
Driver_7
RL(A)
67
8
RLEN
38
LL
Driver_8
LL(A)
65
9
LLEN#
39
RxD
Receiver_1
RD(A)
50
10
RDEN#
RD(B)
49
40
RxC
Receiver_2
RT(A)
52
11
RTEN#
RT(B)
51
41
TxC
Receiver_3
TxC(A)
55
12
TxCEN#
TxC(B)
53
42
CTS
Receiver_4
CS(A)
57
13
CSEN#
CS(B)
56
43
DSR
Receiver_5
DM(A)
59
14
DMEN#
DM(B)
58
44
DCD_DTE
Receiver_6
RRT(A)
62
15
RRTEN#
RRT(B)
61
45
RI
Receiver_7
IC
63
16
ICEN#
46
TM
Receiver_8
TM(A)
64
17
TMEN
Spare drivers and receivers may be used for optional signals (Signal
Quality, Rate Detect, Standby) or may be disabled using individual
enable pins for each driver and receiver
Recommended Signals and Port Pin Assignments
RS-232 or V.24
Signal Mnemo DB-25
Type nic Pin(F)
V.28 BB
3
V.28 DD 17
V.28 DB 15
V.28 CB
5
V.28 CC
6
V.28 CF
8
V.28 CE 22
EIA-530
Signal Mnemo DB-25
Type nic Pin(F)
V.11 BB(A) 3
V.11 BB(B) 16
V.11 DD(A) 17
V.11 DD(B) 9
V.11 DB(A) 15
V.11 DB(B) 12
V.11 CB(A) 5
V.11 CB(B) 13
V.11 CC(A) 6
V.11 CC(B) 22
V.11 CF(A) 8
V.11 CF(B) 10
RS-449
Signal Mnemo DB-37
Type nic Pin(F)
V.11 RD(A) 6
V.11 RD(B) 24
V.11 RT(A) 8
V.11 RT(B) 26
V.11 ST(A) 5
V.11 ST(B) 23
V.11 CS(A) 9
V.11 CS(B) 27
V.11 DM(A) 11
V.11 DM(B) 29
V.11 RR(A) 13
V.11 RR(B) 31
Signal
Type
V.35
V.35
V.35
V.35
V.35
V.35
V.28
V.28
V.28
V.28
V.35
Mnemo M34
nic Pin(F)
104
R
104
T
115
V
115
X
114
Y
114 AA
106
D
107
E
109
F
125
J
Signal
Type
V.11
V.11
V.11
V.11
V.11
V.11
V.11
V.11
X.21
Mnemo DB-15
nic Pin(F)
R(A) 4
R(B) 11
B(A) 7**
B(B) 14**
S(A) 6
S(B) 13
I(A)
5
I(B) 12
V.28 TM 25 V.10 TM
25 V.10 TM
18 V.28 142 NN
V.28 BA
V.28 DA
2 V.11 BA(A) 2 V.11 SD(A) 4 V.35 103
V.11 BA(B) 12 V.11 SD(B) 22 V.35 103
24 V.11 DA(A) 24 V.11 TT(A) 17 V.35 113
V.11 DA(B) 11 V.11 TT(B) 35 V.35 113
P V.11 T(A) 2
S V.11 T(B) 9
U V.11 X(A) 7**
W V.11 X(B) 14**
V.28 CA
V.28 CD
4 V.11 CA(A) 4 V.11 RS(A) 7 V.28 105
V.11 CA(B) 19 V.11 RS(B) 25
20 V.11 CD(A) 20 V.11 TR(A) 12 V.28 108
V.11 CD(B) 23 V.11 TR(B) 30
C V.11 C(A) 3
V.11 C(B) 10
H
V.28 RL
21 V.10 RL
21 V.10 RL
14 V.28 140
N
V.28 LL 18 V.10 LL
18 V.10 LL
10 V.28 141
L
Pin assignments and signal functions are subject to national or regional variation and
proprietary / non-standard implementations
** X.21 use either B() or
X(), not both
Date: 06/14/04
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© Copyright 2004 Sipex Corporation