RAD Data comm Vmux-210 User Manual download pdf (Page 4)

Data

Sheet

NETWORK INTERFACE – T1

Nominal Data Rate

1.544 Mbps

Standards

ANSI T1.403, AT&T TR-62411,

ITU-T Rec. G.703

Framing

SF, ESF

Line Code

AMI

Zero Suppression

B8ZS

Timing

Internal or loopback

Receive Signal Level

With CSU: 0 to -36 dB

Without CSU: 0 to -15 dB

Transmit Signal Level

With CSU: 0, -7.5, -15, or -22.5 dB

Without CSU: ±2.7V (±10%) at 0-655 ft

Jitter Performance

Per AT&T TR-62411

Line Type

Balanced 4-wire, 100Ω

NETWORK INTERFACE – SERIAL

Data Rate

n x 64 kbps, up to 2048 kbps

Interface

Selectable for RS-530, V.35 or X.21

Connector

DB-25, female (for V.35 or X.21 interface,

an adapter cable is required (see

Ordering

)

Clock Modes

DCE: Vmux-210 provides clock to

connected equipment

DTE: Vmux-210 accepts clock from

connected equipment (requires adapter

cable)

USER ETHERNET PORT

Note: The specifications are identical to those of

the Network Ethernet port.

VOICE PORTS

Note: Vmux-210 is available with a choice of 12,

15, 24, or 30 FXS analog voice ports.

Number of Ports

According to ordering: 12, 15, 24, or 30

Compression Algorithms

G.723.1 (5.3 or 6.4 kbps)

G.729A (8 kbps)

G.711

Silence Suppression

G.723.1A, G.729B

Echo Cancellation

32 msec per channel as per G.168

Fax Relay

Group III: 4.8, 9.6, 14.4 kbps

Modem Relay

V.22/V.22 bis

V.32/V.32 bis

V.34 up to 21.6 kbps

Voice Band Data

Transparent support for modems and

faxes

Signaling Support

Transparent CAS

MF Signaling Support

DTMF detection, generation and relay

Reverse Polarity Generation

Determined by CAS bits

Pulse Metering Generation

Determined by CAS bits

Caller ID Relay

According to U.S. (Bellcore type 1) or

European (V.23) standards, user

selectable

Analog Parameters

ITU-T standards: G.712, 2-wire for voice

and signaling

Nominal level: 0 dBm

Nominal impedance: 600Ω

Return loss (300 to 3400 Hz): better than

20 dB

Frequency response (Ref: 1020 Hz):

• 300 to 3000 Hz: ±0.5 dB

• 250 to 3400 Hz: ±1.1 dB

Level adjustment, soft selectable:

• TX: +5 dBm to -4 dBm

• RX: +5 dBm to -10 dBm

• Steps: 1 dB (±0.1 dB), nominal

Signal to total distortion, G.712 method 2:

• 0 to -30 dBm0: better than 33 dB

• +3 to -45 dBm0: better than 22 dB

Idle channel noise: Better than -70 dBm0

(+20 dBrnc)

Pulse Metering Frequency: 12 kHz, 16 kHz

Signaling

EIA RS-464 loop start

On-hook/Off-hook Threshold:

• 3V to 38V between Tip and Ring at

Off-hook state

• Higher than 36V between Tip and Ring

at On-hook state

Feed Current: 24 mA ±10%

Ringer:

• Voltage: 50 VRMS (±10%),

overload protected

• Frequency: 25 Hz (±10%)

• Cadence: 1 sec ON/3 sec OFF (default),

user-configurable

Connectors

12/15/24-port versions: Telco-50

proprietary connector

30-port version: Telco-64 proprietary

connector

CONTROL PORT

Interface

RS-232/V.24 (DCE)

Data Rate

9.6, 19.2, 38.4, 57.6, or 115.2 kbps

Connector

DB-9

1 2 3 4 5 6

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