PortMaster Office Router Hardware Installation Guide
Author: spider

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# Cable and Ethernet Specifications D

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

1 Pins 8 and 6 in the DB-25 connectors are connected internally. 2 Not connected.

## 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

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