HwMuseum | Index

ASTROCOM

T - SERIES

Card Type

CSU/DSU

NIC Type

T1, Ethernet

Chip Set

Unidentified

I/O Options

AC power connector, RJ-45 UTP connector, RG58A/U 50ohm coaxial, DTE ports via 25-pin connector (2), serial port via 9-pin connector, network interface via RJ-48 connector, line jack - transmit/receive, monitor jack - transmit/receive, unit jack - transmit/receive

Wiring Type

RJ-48 T1

RJ-45 Unshielded twisted pair

RG58A/U 50ohm coaxial

Maximum Data Rate

64Kbps

Data Bus

External

CONNECTIONS

Function

Label

Function

Label

AC power connector

CN1

Network interface via RJ-48 connector

CN7

Serial port via 9-pin connector

CN2

Network interface via RJ-48 connector

CN8

RJ-45 UTP connector

CN3

Line jacks

CN9

RG-58A/U 50ohm coaxial

CN4

Monitor jacks

CN10

DTE port 1 via 25-pin connector

CN5

Unit jacks

CN11

DTE port 2 via 25-pin connector

CN6

Power switch

SW1

DIAGNOSTIC LED(S)

LED

Color

Status

Condition

OOF

Red

On

Network signal is out of frame synchronization, in red alarm status

OOF

Red

Off

Network signal is out of frame synchronization or in red alarm status

YEL

Amber

On

Yellow alarm signal received from network

YEL

Amber

Off

Yellow alarm signal not received from network

AIS

Red

On

Blue alarm signal received from network

AIS

Red

Off

Blue alarm signal not received from network

LOS

Red

On

Network signal has been lost

LOS

Red

Off

Network signal has not been lost

ERR

Amber

On

BPV, CSS, or SES error(s) detected on network

ERR

Amber

Off

BPV, CSS, or SES error(s) not detected on network

LCL

Amber

On

DSU/CSU is running a local loopback test

LCL

Amber

Off

Local loopback test not in progress

LINE

Red

On

DSU/CSU is running a line loopback test

LINE

Red

Off

Line loopback test not in progress

PAY

Amber

On

DSU/CSU is running a payload loopback test

PAY

Amber

Off

Payload loopback test not in progress

LNK

Green

On

No alarm declared

LNK

Green

Blinking

(on 50ms/off 500ms)

DSU/CSU is transmitting a AIS (blue) alarm

LNK

Green

Blinking

(on 500ms/off 50ms)

DSU/CSU is transmitting a yellow alarm

LNK

Green

Off

Severe alarm declared

SYNC

Green

On

No alarm declared

SYNC

Green

Blinking

(on 50ms/off 500ms)

DSU/CSU is transmitting a AIS (blue) alarm

SYNC

Green

Blinking

(on 500ms/off 50ms)

DSU/CSU is transmitting a yellow alarm

SYNC

Green

Off

Severe alarm declared

ACT

Green

On

RTS signal is high

ACT

Green

Off

RTS signal is low

ACT

Green

Blinking

(on 500ms/off 500ms)

Port 1 data is being rerouted through port 2

ACT

Green

Blinking

(on 50ms/off 500ms)

Data routed through port 1: if main port fails, data will be rerouted through port 2

BDL

Red

On

DSU/CSU is running a bi-directional loopback test

BDL

Red

Off

Bi-directional loopback test not in progress

PWR

Green

On

Power is on

PWR

Green

Off

Power is off

Note Top row of LEDs indicate main port status. Bottom row of LEDs indicate auxiliary port status