Short Haul
Modem
-------------
ASMi-50

Specifications

• Line Type

2-wire or 4-wire, 19Œ26 AWG

• Line Coding

2B1Q

• Range

See PDF

• Level

0, 4, 10 dBm, user-selectable

• Impedance

13 5

• Connector

RJ-45 (RJ-48C) and terminal block

• Type

V.24: via 25-pin D-type, female
RS-530: via 25-pin D-type, female
V.35: via 34-pin, female
V.35A: via 25-pin, D-type female
X.21: via 15-pin, D-type, female
V.36/RS-449: via adapter cable converting between the RS-530 connector and a 37-pin, D-type, female connector
G.703 Codirectional: via RJ-45 or terminal block
IR-ETH (Ethernet bridge): via RJ-45
IR-ETH/Q (Ethernet bridge with VLAN support): via RJ-45
IR-IP (IP router): via RJ-45

• Data Rate

64, 128, 192, 256, 320, 384, 448, 512, 576, 640, 768, 896, 960, 1024, 1152 kbps

• Timing

Derived from the following sources:

Internal oscillator
External, from the attached DTE
Receive, derived from the received signal

• Diagnostics

Loopbacks:

Local analog and remote digital loopbacks in compliance with ITU V.54

BERT:

Built-in pattern generator and tester in compliance with ITU V.52

• Indicators

PWR (green) ΠPower
RTS (yellow) ΠRequest To Send
DCD (yellow) ΠData Carrier Detected
TD (yellow) ΠTransmit data
RD (yellow) ΠReceive data
TEST (red) ΠTest
ERR (red) ΠError
QLTY (red/green) ΠLine quality

• Physical

Standalone ASMi-50:

Height: 4.4 cm / 1.7 in (1U)
Width: 21.5 cm / 8.5 in
Depth: 24.3 cm / 9.6 in
Weight: 1.4 kg / 3.1 lb

ASMi-50/R, ASMi-50C, ASMi-50CD: 

Fit a single slot of the respective modem rack (ASM-MN-214 or LRS-24)

• Power

AC: 100 to 240 VAC (10%), 50 to 60 Hz
DC: 24 VDC (18 to 36 VDC), ± 10% or -48 VDC (-36 to -72 VDC), ± 10%

• Power Consumption

ASMi-50: 6W
ASMi-50/R, ASMi-50C: 4W
ASMi-50CD: 7.75W

• Environment

Temperature: 0-50 C/32-122 F
Humidity: Up to 90%, non-condensing