User guide

94
Line Module (LM) shelf (NT2X14) (MD)
Remote Line Module (RLM) shelf (NT2X14) (MD)
Note: For further description of the following RLM packs, see the “Cir-
cuit Pack Description” within this QRG or see NTP 297-8991-805.
2X05
— Ringing Generator
2X70
— Power Converter
2X21 — Term. Adr. IF & Tone Gen. 2X33 — LM CC Msg. Processor
2X22
— Connection Mem. and Mux.
2X34
— LM PP Msg. Processor
2X23 — Receive Multiplexer 2X36 — LM Network Interface
2X24 — Signalling Processor 3X47 — RLM Msg. Controller
2X25 — Signalling Processor IF 3X48 — Optional T1 line card
*2X26
—LM/RLM Master Processor
3X49
— Extension Memory
2X27
— Ring. Gen. Interface
*Note: Suggest reviewing CSRs concerning RAM parity (RAMP) errors.
LM/RLM Ringing Table
(NTP 297-1001-131, Ringing System)
* — Type A line card is recommended for these applications.
** — Type A line card cannot be used for 2FR divided ringing
when CC patch TLA67 is used (in LCMs).
Table LMRNG
This table contains ringing data for LM and RLM. A description of the
fields in table LMRNG as well as a sample of datafill for table LMRNG can
be found in NTP 297-YYYY-350, Translation Guides and Installation doc-
umentation (Methods 2231 & 4165 within Module 22 “Preparation and
Power-up”).
2
X
05
01
R
I
N
G
I
N
G
G
E
N
E
R
A
T
O
R
2
X
05
02
R
I
N
G
I
N
G
G
E
N
E
R
A
T
O
R
2
X
27
R
G
IF
03
2
X
24
S
P
04
2
X
25
S
P
IF
05
0
X
50
06
0
X
50
07
2
X
26
M
P
08
2
X
33
P
R
O
C
09
2
X
34
P
R
O
C
10
0
X
50
11
2
X
22
12
2
X
23
M
U
X
13
2
X
36
14
2
X
21
15
2
X
70
16
P
O
W
E
R
17 18
2
X
05
01
R
I
N
G
I
N
G
G
E
N
E
R
A
T
O
R
2
X
05
02
R
I
N
G
I
N
G
G
E
N
E
R
A
T
O
R
2
X
27
R
G
IF
03
2
X
24
S
P
04
2
X
25
S
P
IF
05
0
X
50
06
3
X
49
M
E
M
07
2
X
26
M
P
08
3
X
47
M
C
09
3
X
48
T
1
10
3
X
48
T
1
11
2
X
22
12
2
X
23
M
U
X
13
0
X
50
14
2
X
21
15
2
X
70
16
P
O
W
E
R
17 18
Line Class Codes by Line Card Type and Ring Code
Line
Class
Code
Ringers
Bridged (B)
Divided (D)
Coded Ring-
ing
Superimposed
Ringing
Frequency
Selective
Line
Card
Ring
Code
Line
Card
Ring
Code
Line
Card
Ring
Code
1FR B or D A 0 A 0 A 0
2FR D A** 0 A 0 B 1 - 5
2FR B — — — — A* or B 1 - 5
4FR D B 1 - 4 B 1 - 4 B 1 - 5
4FR B B 1 - 4 — — A* or B 1 - 5
8FR D B 1 - 5 B 1 - 4 B 1 - 5
10FR D B 1 - 5 — — — —