User guide

102
Expanded Subscriber Carrier Module-100
Access 2 (SMA2)
The SMA2 provides a multi-vendor interface for up to 28 DS1 ports for
one remote digital terminal (RDT), and up to 48 DS1 links for each SMA2.
SMA2 Main shelf
SMA2 Extension shelf
Note: When there is a special initial configuration requirement for 48
DS-1 ports, slot 8 in the left extension shelf and slot 19 in the right
extension shelf support DS-1 cards. See NTP 297-8263-550.
Note: When there is a special initial configuration requirement for 48
DS-1 ports and four EDCH cards, slots 3, 5, 7 and 11 in the left
extension shelf and slots 24, 22, 20 and 16 in the right extension
shelf support EDCH cards. See NTP 297-8263-550.
Note: For further description of the following SMA2 packs, see the “Cir-
cuit Pack Description” within this QRG or see NTP 297-8991-805
and NTP 297-8263-550, ESMA Maintenance Manual.
AX74
— Access Processor
MX76
— Message & CSM
BX01
— Enhanced ISDN Sig. Proc.
MX79
— DS60 & Power Supply
BX02
— Enhanced DCH
MX87
— Quad PCM Carrier Fr
MX72 — Power Converter 6X40 — C-Side DS30/DS512 IF
MX73 — Signalling Processor 6X78 — CLASS Modem Res.
MX75 — Enhanced Matrix 6X92 — UTR or GTR
NTMX87 and NTMX81
Packlet P-side Port Provisioning
Note:
Ports 9 and 17 in Packlet 0 are EDCH ports. See NTP 297-8263-550.
M
X
72
P
O
W
E
R
01
&
E
M
I
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H
I
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L
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02
A
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74
P
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03
B
X
01
E
S
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P
04
6
X
78
C
M
R
05
6
X
92
U
T
R
/
G
T
R
06
6
X
92
U
T
R
/
G
T
R
07
M
X
76
M
S
G
/
C
S
M
08
6
X
40
C-
S
I
D
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IF
09
M
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75
M
A
T
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I
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10
M
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73
S
I
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P
R
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11
M
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87
P-
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IF
12
0
X
50
F
I
L
L
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R
13
M
X
87
or
B
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02
IF
14
0
X
50
F
I
L
L
E
R
15
M
X
87
or
B
X
02
IF
16
M
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73
S
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P
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C
17
M
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75
M
A
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I
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18
6
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40
C-
S
I
D
E
IF
19
M
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76
M
S
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/
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M
20
6
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92
U
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/
G
T
R
21
6
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92
U
T
R
/
G
T
R
22
6
X
78
C
M
R
23
B
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01
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S
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P
24
A
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74
P
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S
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25
M
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72
P
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R
26
&
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M
I
S
H
I
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L
D
27
Unit 0 Unit 1
01
M
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79
D
S
60
E
X
T
0
02
B
X
02
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D
C
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03
M
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87
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D
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1
04
B
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05
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06
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1
08
B
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02
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09
B
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10
B
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02
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11
B
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12
M
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79
D
S
60
E
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1
13
M
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79
D
S
60
E
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0
14
B
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02
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15
B
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02
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C
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16
B
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02
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C
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17
B
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02
E
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C
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18
M
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87
E
D
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1
19
B
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02
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C
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20
M
X
87
E
D
C
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D
S
1
21
B
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02
E
D
C
H
22
M
X
87
E
D
C
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D
S
1
23
B
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02
E
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C
H
24
M
X
79
D
S
60
E
X
T
1
252627
Unit 0 Unit 1
Main Shelf NTMX87
P-side Ports
Slot 12 Slot 14 Slot 16
Packlet
0
0
1
16
17
8
9
Packlet
1
2
3
18
19
10
11
Packlet
2
4
5
20
21
12
13
Packlet
3
6
7
22
23
14
15
DD ED E
SS DS D
11 C1 C
H H
NTMX87
3
2
1
0
NTMX81
Packlets