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Connectors and Cabling

Connectors and Cabling

This chapter contains line assignments for both electrical and optical cables. For specific optical configurations, consult with your network planner.

5.1  Electrical Connectors


Caution   Static electricity can damage electro-optical equipment. While unpacking and handling electro-optical modules, wear a properly grounded wrist strap to discharge the static buildup. Grounding wrist straps are designed to prevent equipment damage caused by static electricity. Before making the necessary interconnections, connect the grounding wrist strap to a tested earth ground.

5.1.1  ONS 15252 MCU Electrical Connectors

Table 5-1 shows Communication Interface module (CIM) Management Access (MA) connections.


Table 5-1: ONS 15252 CIM Management Access Connections
Pin Number Function Signal

1

RxD

RS-232 receive

2

GND

0 VDC reference for RS-232 and CAN bus

3

CANL_RET

CAN bus return (low) from MA system

4

CANH_RET

CAN bus return (high) from MA system

5

CANH

CAN bus (high) to MA system

6

CANL

CAN bus (low) to MA system

7

TERM_INSERT

+4.5 VDC, 145 ohms (Reserved, part of the CAN bus control)

8

TxD

RS-232 transmit

Table 5-2 shows the CIM internal bus (INT BUS) connections.


Table 5-2: ONS 15252 CIM Internal Bus Connections
Pin Number Function Signal

1

Floating

Reserved, part of the CAN bus termination control

2

Floating

Reserved, part of the CAN bus termination control

3

CANH

CAN bus (high)

4

CANL

CAN bus (low)

5

GND

0 VDC

6

LINE_INSERT

+4.5 VDC, 145 ohms (Reserved, part of the CAN bus termination)

Table 5-3 shows ONS 15252 MCU power supply connections.


Table 5-3: ONS 15252 MCU Power Supply Connections
Connector Pin Number Voltage

PS-1

1

-48 VDC return

PS-1

2

-48 VDC

PS-2

1

-48 VDC return

PS-2

2

-48 VDC

5.1.2  ONS 15201 SCU Electrical Connectors

Table 5-4 shows ONS 15201 internal bus (INT BUS) connections.


Table 5-4: ONS 15201 Internal Bus Connections
Pin Number Function Signal

1

Floating

Reserved, part of the CAN bus termination control

2

Floating

Reserved, part of the CAN bus termination control

3

CANH

CAN bus (high)

4

CANL

CAN bus (low)

5

GND

0 VDC

6

LINE_INSERT

+4.5 VDC, 145 ohms (Reserved, part of the CAN bus termination control)

Table 5-5 shows management access (MA) connections.


Table 5-5: ONS 15201 Management Access Connections
Pin Number Function Signal

1

NA

Not used

2

GND

0 VDC reference for CAN bus and part of CAN bus relay control

3

CANL_RET

CAN bus return (low) from MA system

4

CANH_RET

CAN bus return (high) from MA system

5

CANH

CAN bus (high) to MA system

6

CANL

CAN bus (low) to MA system

7

TERM_INSERT

+4.5 VDC, 145 ohms (Reserved, part of the CAN bus control)

8

NA

Not used

Table 5-6 shows ONS 15201 SCU power supply connections.


Table 5-6: ONS 15201 SCU Power Supply Connections
Connector Pin Number Voltage

PS-1

1

-48 VDC (-)

PS-1

2

-48 VDC (+) return

PS-1

3

-48 VDC (-)

PS-1

4

-48 VDC (+) return

PS-2

1

-48 VDC (-)

PS-2

2

-48 VDC (+) return

PS-2

3

-48 VDC (-)

PS-2

4

-48 VDC (+) return

5.2  Optical Fiber Jumper Cable Connectors


Note   Inspect and clean optical connectors prior to making optical connections. Unused optical connectors should have plugs inserted.

5.2.1  ONS 15252 MCU Optical Connectors

Line module (LM) optical connections in the ONS 15252 MCU are listed in Table 5-7. For specific optical configurations, consult with your network planner.


Table 5-7: ONS 15252 LM Optical Connections
Connector Connection

Client IN (All CLIP modules)

Client input signal (toward the ONS 15252 MCU)

Client OUT (All CLIP modules)

Client output signal (from the ONS 15252 MCU)

A-side LM IN

A-side DWDM input signal (toward the ONS 15252 MCU)

A-side LM OUT

A-side DWDM output signal (from the ONS 15252 MCU)

B-side LM IN

B-side DWDM input signal (toward the ONS 15252 MCU)

B-side LM OUT

B-side DWDM output signal (from the ONS 15252 MCU)

5.2.2  ONS 15201 SCU Optical Connectors


Note   Inspect and clean optical connectors prior to making optical connections. Unused optical connectors should have plugs inserted.

Table 5-8 lists optical connections for the ONS 15201 SCU.


Table 5-8:
ONS 15201 SCU Optical Connections
Connector Connection

Client IN

Client input signal (toward the ONS 15201 SCU)

Client OUT

Client output signal (from the ONS 15201 SCU)

A-side SCU IN

A-side DWDM input signal (toward the ONS 15201 SCU)

A-side SCU OUT

A-side DWDM output signal (from the ONS 15201 SCU)

B-side SCU IN

B-side DWDM input signal (toward the ONS 15201 SCU)

B-side SCU OUT

B-side DWDM output signal (from the ONS 15201 SCU)


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Posted: Sat Jan 5 12:56:57 PST 2002
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