DIGITAL LINK CORPORATION

DL3200E

Card Type

E3 DSU/CSU

Chip Set

Unidentified

I/O Options

AC power connector, DC power and alarm relay terminal block,

9-pin serial ports (2), DTE port via 25-pin V.35 connector,

DTE port via HSSI connector, monitor jack - receive, monitor jack -send,

E3 network interface via BNC connectors (2),

External clock via BNC connector

E3 Transfer Rate

2.048Mbps

E3 Protocol

PLCP

E3 Line Coding

RZ, HDB3

Frame type

G.751, G.703, G.823

Data Bus

External

CONNECTIONS

Function

Label

Function

Label

BNC external clock connector

CLK

DC power & alarm relay terminal block

CN6

DTE port via HSSI connector

CN1

Monitor jack - send

CN7

DTE port via 25-pin connector

CN2

Monitor jack - receive

CN8

9-pin serial port 1

CN3

Fuse

F1

9-pin serial port 2

CN4

BNC E3 network interface - receive

RCV

AC power connector

CN5

BNC E3 network interface - transmit

XMT

DIAGNOSTIC LEDS (DTE STATUS)

LED

Color

Status

Condition

INS

Green

On

Module is in-service and functioning normally

INS

Yellow

On

Module is functioning normally but is not generating any alarms

INS

Red

On

A controller failure has been detected

NTST

Unidentified

On

Bidirectional DTE/Network loopback test is in progress

NTST

Unidentified

Off

Module is not conducting a bidirectional DTE/Network loopback test

TD

Unidentified

Blinking

Data is being transmitted to the E3 network

TD

Unidentified

Off

Data is not being transmitted to the E3 network

RD

Unidentified

Blinking

Data is being received from the E3 network

RD

Unidentified

Off

Data is not being received from the E3 network

RTS

Unidentified

On

RTS signal is high

RTS

Unidentified

Off

RTS signal is low

CTS

Unidentified

On

CTS signal is high

CTS

Unidentified

Off

CTS signal is low

DTR

Unidentified

On

DTR signal is high

DTR

Unidentified

Off

DTR signal is low

DIAGNOSTIC LEDS (PCLP ALARM STATUS)

RED

Unidentified

On

Out of frame (OOF) conditions detected on received PLCP signal

RED

Unidentified

Off

Out of frame (OOF) conditions not detected on received PLCP signal

YEL

Unidentified

On

Receiving unit in the SMDS fabric is out of frame

YEL

Unidentified

Off

Receiving unit in the SMDS fabric is not out of frame

PAR

Unidentified

On

BIP8 parity errors have been detected in the receive PCLP

PAR

Unidentified

Off

BIP8 parity errors have not been detected in the receive PCLP

DIAGNOSTIC LEDS (E3 NETWORK STATUS)

EINS

Green

On

Module is in-service and functioning normally

EINS

Yellow

On

Module is functioning normally but is not generating any alarms

EINS

Red

On

A module failure has been detected

ALM

Unidentified

On

DSU/CSU is in alarm state

ALM

Unidentified

Off

DSU/CSU is not in alarm state

OOF

Unidentified

On

Loss of signal (LOS) or out of frame (OOF) alarm condition has been detected on E3 receive signal

OOF

Unidentified

Off

Loss of signal (LOS) or out of frame (OOF) alarm condition has not been detected on E3 receive signal

YEL2

Unidentified

On

Out of frame alarm signal detected on far-end equipment

YEL2

Unidentified

Off

Out of frame alarm signal not detected on far-end equipment

AIS

Unidentified

On

Alarm indication signal detected on network

AIS

Unidentified

Off

Alarm indication signal not detected on network

BPV

Unidentified

Blinking

Bipolar violations or HDB3 errors have been detected on E3 network

BPV

Unidentified

Off

Bipolar violations or HDB3 errors have not been detected on E3 network

PAR2

Unidentified

On

BIP8 parity errors have been detected on E3 network

PAR2

Unidentified

Off

BIP8 parity errors have not been detected on E3 network

DIAGNOSTIC LEDS (PROCESSOR STATUS)

RXL3

Unidentified

On

Unit is reassembling an L3_PDU

RXL3

Unidentified

Off

Unit is not reassembling an L3_PDU

RXL2

Unidentified

On

Unit is performing L2 processing on received signal

RXL2

Unidentified

Off

Unit is not performing L2 processing on received signal

TXL3

Unidentified

On

Unit is processing an L3 transmit signal

TXL3

Unidentified

Off

Unit is not processing an L3 transmit signal

TXL2

Unidentified

On

Unit is processing an L2 transmit signal

TXL2

Unidentified

Off

Unit is not processing an L2 transmit signal

Note: Pressing STAT and ENTER buttons simultaniously lights all LEDs to verify lamp functionality