RAD Data comm FOMi-T1 Bedienungsanleitung PDF herunterladen (Seite 4)

Data

Sheet

SPECIFICATIONS

ELECTRICAL INTERFACE

Transmission Rates

56, 64, 96, 112, 128, 192, 256, 384, 512,

768, 1024, 1536, 1544 and 2048 kbps

Interfaces and Connectors

V.24/RS-232: 25-pin D-type, female

V.35: 34-pin D-type, female

X.21: 15-pin D-type, female

RS-530: 25-pin D-type, female

V.36/RS-449: 37-pin D-type, male using

an adapter cable

IR-ETH/QN (Ethernet/Fast Ethernet

bridge): RJ-45

G.703 Codirectional (64 kbps): terminal

block or RJ-45

G.703 E1: RJ-45 and two BNC

G.703 T1: RJ-45

Note: End-to-end byte synchronization is not

maintained for the G.703 interface.

OPTICAL INTERFACE

Transmission Line

Dual-strand fiber optic cable

Interface Characteristics

See

Table 1

Connectors

SC, ST, or FC/PC (see

Ordering)

GENERAL

Timing Elements

Receive clock derived from the receive

signal

Transmit clock derived from:

• Internal signal, from a built-in oscillator

• External signal, from the attached DTE

• Receive signal, looped back from the

received signal

Diagnostics

Remote Digital Loopback (RLB):

Activated from the front panel or by

DTE interface signals (V.35, RS-530 or

V.24/RS-232)

Local Analog Loopback (LLB):

Activated from the front panel or by

DTE interface signals (excluding X.21

and G.703)

BER Test (BERT):

Activated from the front panel to

generate and detect a pseudo-random

BERT V.52/511 data pattern

Table 1. Fiber Optic Modem Comparison Chart

Feature FOM-E1/T1 FOMi-E1/T1

FOM-20 FOM-40 FOMi-40 FOM-E3/T3

FOMi-E3/T3

FOM-E3/T3 ETH

Max. Data

Rate [kbps]

E1/T1 E1/T1 19.2–256 56–2048 56–2048 E3/T3 E3/T3 E3/T3

Interfaces G.703 G.703 Serial,

Ethernet

Serial,

Ethernet

Serial,

Ethernet,

E1/T1

G.703 G.703, HSSI

10/100BaseT

VLAN Bridge

Laser Diode

Option

3 3 3 3 3 3 3 3

SNMP

Management

3

3

3

Card Version

for Rack

ASM-MN-214

LRS ASM-MN-214

ASM-MN-214

LRS

LRS

1 2 3 4 5 6

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