D Cable and Ethernet Specifications

 

This appendix gives specifications for the following:

•  Console cable--connects a data terminal equipment (DTE) device (terminal or PC) to the S0 port (See page D-2.)
•  Modem cable--connects a data communications equipment (DCE) device (modem) to the S0 port (See page D-3.)
•  V.35 cable--connects a T1/E1 line to the to the W1 port. (See page D-4.)
•  X.21 cable--connects a T1/E1 line to the to the W1 port. (See page D-5.)
•  RS-530 cable--connects a T1/E1 line to the to the W1 port. (See page D-6.)
•  Category 5 twisted pair cable for the S/T interface--connects an ISDN BRI line to the S/T interface (See page D-7.)
•  Category 5 twisted pair cable for the U interface--connects an ISDN BRI line to the U interface (See page D-7.)
•  Ethernet interface specifications (See page D-8.)

Console Cable

 

Table D-1 gives pinout information for a console cable with RJ-45 and DB-25 connectors.

  Table D-1 Console Cable  

 

PortMaster Office Router   Serial Port (S0)				PC or Terminal   Serial Port
RJ-45	Name	Definition	Direction	DB-25   (DTE)	Signal
1	RTS	Request to Send	Output	5	CTS
2	DTR	Data Terminal Ready	Output	81	DCD
3	TXD	Transmit Data	Output	3	RXD
4	GND	Signal Ground		NC2
5	GND	Signal Ground		7	GND
6	RXD	Receive Data	Input	2	TXD
7	DCD	Data Carrier Detect	Input	20	DTR
8	CTS	Clear to Send	Input	4	RTS
NC2		Data Set Ready		61	DSR

Modem Cable

 

Table D-2 gives pinout information for a modem cable with RJ-45 and DB-25 connectors.

  Table D-2 Modem Cable

 

PortMaster Office Router   S0 (Serial) Port				External Modem
RJ-45	Name	Definition	Direction	DB-25   (DCE)
1	RTS	Request to Send	Output	4
2	DTR	Data Terminal Ready	Output	20
3	TXD	Transmit Data	Output	2
4	GND	Signal Ground		NC
5	GND	Signal Ground		7
6	RXD	Receive Data	Input	3
7	DCD	Data Carrier Detect	Input	8
8	CTS	Clear to Send	Input	5

V.35 Cable

 

Table D-3 gives pinout information for a V.35 cable with DB-25 and V.35 connectors. Pins not listed have no connection.

  Table D-3 Synchronous V.35 Cable

 

DB-25 Pin	Name	V.35 Pin	Definition	Direction
2	TXD	P	Transmit Data	Output
14	TXD-	S
3	RXD	R	Receive Data	Input
16	RXD-	T
4	RTS	C	Request to Send	Output
5	CTS	D	Clear to Send	Input
6	DSR	E	Data Set Ready	Input
7	SGND	B	Signal Ground
8	DCD	F	Data Carrier Detect	Input
15	ST	Y	Send Timing	Input
13	ST-	AA
17	RT	V	Receive Timing	Input
19	RT-	X
20	DTR	H	Data Terminal Ready	Output

X.21 Cable

 

Table D-4 gives pinout information for an X.21 cable with DB-25 and DB-15 connectors. Pins not listed have no connection.

  Table D-4 Synchronous X.21 Cable

 

PortMaster Port W1	V.35 DB-25 Pin	Name	Definition	Direction	X.21   DB-15   Pin	Name
7	B	SGND	Signal Ground		8	SGND
					10	Control B
4	C	RTS	Request to Send	Output	3	Control A
5	D	CTS	Clear to Send	Input
8	F	CD	Carrier Detect	Input	5	Indicate A
3	R	RXA	Receive Data	Input	4	RXA
16	T	RXB	Receive Data	Input	11	RXB
17	V	RX CLKA	Receive Timing	Input	6	CLKA
15	Y	TX CLKA	Send Timing	Input
19	X	RX CLKB	Receive Timing	Input	13	CLKB
13	AA	TX CLKB	Send Timing	Input
2	P	TXD A	Transmit Data	Output	2	TXA
14	S	TXD B	Transmit Data	Output	9	TXA

RS-530 Cable

 

Table D-5 gives pinout information for a synchronous RS-530 cable with DB-25 connectors. Pins not listed have no connection.

  Table D-5 Synchronous RS-530 Cable

 

PortMaster Port W1	RS-530   CSU/DSU Pin	Name	Definition	Direction
2	2	TXD	Transmit Data	Output
14	14	TXD-
3	3	RXD	Receive Data	Input
16	16	RXD-
4	4	RTS	Request to Send	Output
5	5	CTS	Clear to Send	Input
6	6	DSR	Data Set Ready	Input
7	7	SGND	Signal Ground
8	8	DCD	Data Carrier Detect	Input
15	15	ST	Send Timing	Input
13	12	ST-
17	17	RT	Receive Timing	Input
19	9	RT-
20	20	DTR	Data Terminal Ready	Output

Category 5 Twisted Pair Cable for the S/T Interface

 

Table D-6 gives pinout information for an 8-pin, category 5 twisted pair cable with
RJ-45 connectors for the S/T interface. Pins not listed have no connection.

  Table D-6 Category 5 Cable for the S/T Interface

 

RJ-45 Pin	Name	Definition	Direction
3	TXD	Transmit Data	Output
6	TXD-
4	RXD	Receive Data	Input
5	RXD-

Category 5 Twisted Pair Cable for the U Interface

 

Table D-7 gives pinout information for an 8-pin, category 5 twisted pair cable with
RJ-45 connectors for the U interface. Pins not listed have no connection.

  Table D-7 Category 5 Cable for the U Interface

 

ISDN/U Port	Direction
4	Input/Output
5	Input/Output

Ethernet Specifications

 

Table D-8 gives specifications for the 10Mbps baseband IEEE 802.3-compatible Ethernet interface.

  Table D-8 Ethernet Cables

 

Ethernet   Type	Connector   Type	Cable   Type	Transmission   Distance
10Base5 (AUI)	15-pin Dec-Intel-Xerox (DIX) for connection to external transceiver	RG-11 50-ohm coaxial	Trunk segment--1,640 feet (500m) maximum Transceiver cable--164 feet (50m) maximum Network trunk--8,200 feet (2,500m) maximum
10BaseT (RJ-45)	RJ-45 for 10BaseT	Unshielded twisted pair	Hub distance--328 feet (100m) maximum Repeaters--four maximum