
5 61180001L1-5B Section 61180001L1-5 Issue 2
Figure 3. Total Access 1500 Backplane and Pin-outs
Ethernet (J33)
Pin Number Description
1 ETHRTX +
2 ETHRTX -
3 ETHRRX +
4 X
5 X
6 ETHRRX -
7 X
8 X
RS-232 (J34)
Pin Number Description
1 Frame Ground
2 TxD
3 RxD
4 RTS
5 CTS
6 DSR
7 GND
8 DCD
9 No Connect
10 No Connect
11 No Connect
12 No Connect
13 No Connect
14 No Connect
15 TXC
16 No Connect
17 RXC
18 No Connect
19 No Connect
20 DTR
21 No Connect
22 No Connect
23 No Connect
24 EXTC
25 No Connect
Amphenol Connectors
Pin Number P1, P2, P3, P4 P5
1 Ring – Ch Slot 1 MLT RA
2 Ring – Ch Slot 2 MLT RB
3 Ring – Ch Slot 3 MLT RC
4 Ring – Ch Slot 4 MLT RD
5 Ring – Ch Slot 5 SLV B
6 Ring – Ch Slot 6 SLV D
7 Ring – Ch Slot 7 OH B
8 Ring – Ch Slot 8 OH D
9 Ring – Ch Slot 9 PROC B
10 Ring – Ch Slot 10 PROC D
11 Ring – Ch Slot 11 LOCK B
12 Ring – Ch Slot 12 LOCK D
13 Ring – Ch Slot 13 SMAS RA
14 Ring – Ch Slot 14 SMAS RB
15 Ring – Ch Slot 15 SMAS RC
16 Ring – Ch Slot 16 SMAS RD
17 Ring – Ch Slot 17 TMAJ
18 Ring – Ch Slot 18 No Connect
19 Ring – Ch Slot 19 No Connect
20 Ring – Ch Slot 20 No Connect
21 Ring – Ch Slot 21 No Connect
22 Ring – Ch Slot 22 SEZBY
23 Ring – Ch Slot 23 No Connect
24 Ring – Ch Slot 24 No Connect
25 No Connect No Connect
Amphenol Connectors
Pin Number P1, P2, P3, P4 P5
26 Tip – Ch Slot 1 MLT TA
27 Tip – Ch Slot 2 MLT TB
28 Tip – Ch Slot 3 MLT TC
29 Tip – Ch Slot 4 MLT TD
30 Tip – Ch Slot 5 SLV A
31 Tip – Ch Slot 6 SLV C
32 Tip – Ch Slot 7 OH A
33 Tip – Ch Slot 8 OH C
34 Tip – Ch Slot 9 PROC A
35 Tip – Ch Slot 10 PROC C
36 Tip – Ch Slot 11 LOCK A
37 Tip – Ch Slot 12 LOCK C
38 Tip – Ch Slot 13 SMAS TA
39 Tip – Ch Slot 14 SMAS TB
40 Tip – Ch Slot 15 SMAS TC
41 Tip – Ch Slot 16 SMAS TD
42 Tip – Ch Slot 17 TSTALM
43 Tip – Ch Slot 18 No Connect
44 Tip – Ch Slot 19 No Connect
45 Tip – Ch Slot 20 No Connect
46 Tip – Ch Slot 21 No Connect
47 Tip – Ch Slot 22 SEIZE
48 Tip – Ch Slot 23 No Connect
49 Tip – Ch Slot 24 No Connect
50 No Connect No Connect
T1 Connections
Pin Number P7 – Protect P8 – T1 D P9 – T1 C P10 – T1 B P11 -T1 A
1 T Protect T D T C T B T A
2 R Protect R D R C R B R A
3 T1 Protect T1 T1 C T1 B T1 A
4 R1 Protect R1 D R1 C R1 B R1 A
5 Frame Frame Frame Frame Frame
Ground Ground Ground Ground Ground
Composite Clock/Alarms (P14)
Pin Number Description
1 CLKIN +
2 CLKIN -
3 FRAME GROUND
4 CLKOUT +
5 CLKOUT -
6 Frame Ground
7 LOCCK+
8 LOCCK-
9 Frame Ground
10 ACOA
11 ACOB
12 RMTA
13 RMTB
14 AUX1A
15 AUX1B
16 AUX2A
17 AUX2B
Metallic Loop Test Bypass Pair (P6)
Pin Number Description
1 BYPASS TIP
2 BYPASS RING
3 INHIBIT
4 Frame Ground
Alarm Outputs (P13)
Pin Number Description
1 VMJ/AMJNO
2 VMJ/AMJCOM
3 VMJ/AMJNC
4 VMN/BMJNO
5 VMN/BMJCOM
6 VMN/BMJNC
7 AudMJ/CMJNO
8 AudMJ/CMJCOM
9 AudMJ/CMJNC
10 AudMN/DMJNO
11 AudMN/DMJCOM
12 AudMN/DMJNC
13 AUX/BANKMJNO
14 AUX/BANKMJCOM
15 AUX/BANKMJNC
16 -48ALM
17 GND
TB2
Pin Number Description
1 Frame Ground
2 20 HZ RTN
3 20 HZ EXT
TB1
Pin Number Description
1 -48V IN PRI
2 -48V RTN PRI
3 -48V IN SEC
4 -48V RTN SEC
5 Frame GND
J33
21
J24
30
40
1
10
20
21
J23
30
40
1
10
20
21
J22
30
40
1
10
20
21
J21
30
40
1
10
20
21
A B
J20
30
40
1
10
20
21
J19
30
40
1
10
20
21
J18
30
40
1
10
20
21
J17
30
40
1
10
20
21
J16
30
40
1
10
20
21
J15
30
40
1
10
20
21
J14
30
40
1
10
20
21
J13
30
40
1
10
20
21
J12
30
40
1
10
20
21
J11
30
40
1
10
20
21
J10
30
40
1
10
20
21
J9
30
40
1
10
20
21
J8
30
40
1
10
20
21
J7
30
40
1
10
20
21
J6
30
40
1
10
20
21
J5
J34
MGMT
30
40
1
10
20
21
J4
30
40
1
10
20
21
J3
30
40
1
10
20
21
J2
30
40
1
10
20
21
J1
30
40
1
10
20
21
J32
30
40
1
10
20
21
J30
30
40
1
1
10
20
J27 IN
RTN
IN
RTN
30
40
10
20
J26
30
40
10
20
21
J25
30
40
1
10
20
T / RP1
25
50
26
1
T1 / R1P2 E / SGP3 M / SBPAIR 1 PAIR 2 PAIR 3 PAIR 4P4
PGTC
P5
E
D
C
B
A
1
10
20
E
D
C
B
10
20
24
24
R1
C2
C1
E
D
C
B
A
10
20
E
D
C
B
A
IN OUT
SW1
O
N
O
N
EN
RS485
DIS
SW2
TERM
CLK IN
CLK
17
1
+ – + – + –
CLK OUT LOCCK ACO
A B
RMT
A B
AUX1
A B
AUX2
P14
VMJ
17
1
NO COM NC
VMN
NO COM NC
AMJ
NO COM NC
AMN
NO COM NC
AUX
NO COM NC
-48
ALM
P13
A
T R T1 R1
1
1 P11 5 1 P10 5 1 P9 5 1 P8 5 1 P7 5
J31
J29
J28
BYPASS
B
T R T1 R1
C
T R T1 R1
D
T R T1 R1
P
T R T1 R1
A B
RS485
P12
T R I
P6
D2
D1
5
TB
3 TB2
SMAS
MLT
-48 SEC -48 SEC
25
50
26
1
25
50
26
1
25
50
26
1
25
50
26
1
I
N
R
T
N
RN1
RN2
RS-485 (P12)
Pin Number Description
1 RS 485 A
2 RS 485 B
3 Frame Ground
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