Contents. Intra-Rack Alarm Concatenation Cable. External Alarm Concatenation Cable. The OptiX OSN 9500 rack internal connection, страница 6

Table 7-11 The core assignment of alarm output cable

Core ID	Meaning
W1	Emergency alarm
W2	Critical alarm
W3	Auxiliary alarm 1
W4	Auxiliary alarm 2
W5	Emergency alarm grounding
W6	Critical alarm grounding
W7	Auxiliary alarm 1 grounding
W8	Auxiliary alarm 2 grounding

3.  Specifications

Type	UL2464
The number of cores	4 P
Color	PANTONE WRAM GRAY 1U

7.3.10  Alarm Input Cable

1.  Structure

The structure of alarm input cable is shown in Figure 7-17.

1. Cable connector-D-type-50-pin-male	2. Main label
3. Label n	Pos.1: the position of pin 1
Pos.50: the position of pin 50

Figure 7-17 The external view of alarm input cable

In above figure, cores identified with W and W1–W32 are communication cord.

2.  Pin Assignment

Table 7-12 lists the pin assignment of alarm input cable.

Table 7-12 The pin assignment of alarm input cable

Core ID	Pin of connector	Core ID	pin of connector
W1	1	W17	9
W2	14	W18	22
W3	2	W19	10
W4	15	W20	23
W5	3	W21	11
W6	16	W22	24
W7	4	W23	12
W8	17	W24	25
W9	5	W25	26
W10	18	W26	39
W11	6	W27	27
W12	19	W28	40
W13	7	W29	28
W14	20	W30	41
W15	8	W31	29
W16	21	W32	42

3.  Specifications

Type	PCM-120-2
The number of cores	16 pairs
Color	Grey

7.3.11  Serial Port Cable

1.  Structure

The structure of serial port cable is shown in Figure 7-18.

1. RJ48 connector	2. Cable tie
3. the plastic cover of connector	4. Cable connector
Label	W1: the central core of twisted pair
W2: 8-core-category-5 twisted pair

Figure 7-18 The external view of serial port cable

2.  Pin Assignment

Table 7-13 shows the pin assignment of serial port cable.

Table 7-13 The pin assignment of serial port cable

Plug A	Plug B	Remarks
3	7	A pair of twisted cable
5	3
6	2

3.  Specifications

Type	8-core category-5 twisted pair
The number of cores	8

7.3.12  STM-1 Cable

STM-1 cable realizes the input/output of STM-1 electrical signal. It connects one end (SMB connector) with STM-1 electrical interface board and the other end with DDF. The connector for the other end should be made on site.

1.  Structure

Figure 7-18 shows the structure of STM-1 cable.

1. Coaxial connector-SMB-75 ohm-straight/plug-femail-SFYV-75-2-2

2. Main label

3. Coaxial cable

Figure 7-19 Structure of STM-1 cable

2.  Pin Assignment

None

3.  Specifications

Type	Coaxial cable –bare copper-75 ohm-4.4 mm-2.4 mm-0.4 mm-PANTONE WARM GREY 1U
The class of fireproof	CM
Length	15 m, 20 m, 25 m, 30 m, 40 m