Data Sheet
USER INTERFACE – E&M ANALOG VOICE
Number of Ports
4 or 8
Analog Parameters
ITU-T standards: G.712, 2-wire or 4-wire
for voice and signaling
Nominal level: 0 dBm
Nominal impedance: 600
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 -7 dBm
RX: +2 dBm to -17 dBm
Steps: 1 dB (±0.5 dB), nominal
Signal to total distortion, G.712:
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)
Signaling
Method (software-selectable per channels
1-4 and 5-8): EIA RS-464 Types I, II
(with or without positive E&M
signaling), III, and V (British Telecom
SSDC5)
Signaling voltage: -12 to -60 VDC
Pulse dial distortion: ±2 ms max
Connectors
4-port version: RJ-45 per channel
8-port version: 68-pin SCSI connector
convertible to 8 x RJ-45 connectors via
adapter cable
(see Ordering)
CONTROL PORT
Standards
RS-232/V.24 (DCE)
Data Rate
9.6, 19.2, 38.4, 57.6, or 115.2 kbps
Connector
DB-9
INDICATORS
Front Panel
PWR (green): On when power is on
ETH (green): On when Ethernet line is OK
ALM (red): On when alarm is present in
the system
Ethernet Network and User Ports
LINK (green): On when the link is active
ACT (yellow): Blinking during LAN traffic
activity
GENERAL
Diagnostics
E1/T1 uplink: Remote loops on entire
E1/T1
Ethernet ports:
Performance monitoring
LAN statistics
Ping
E1/T1 voice ports:
Local and remote loops on entire
E1/T1
Tone injection per timeslot towards
local side
FXS/FXO/E&M voice ports:
Remote loops per channel
Tone injection per channel towards
local and remote side
Statistics
Ping
Physical
Height: 4.3 cm (1.7 in)
Width: 21.5 cm (8.5 in)
Depth: 23.7 cm (9.3 in)
Weight: 2.0 kg (4.4 lb)
Power
AC: 100 to 240 VAC, 50/60 Hz
48 VDC: -40 to -72 VDC
24 VDC: 20 to 32 VDC
Power Consumption
4FXS: AC: 19 VA
DC: 18W
8FXS: AC: 28 VA
DC: 27W
4FXO: AC: 9 VA
DC: 8W
8FXO: AC: 9.5 VA
DC: 8.5W
4E&M: AC: 11 VA
DC: 10W
4E&M/POS: AC: 10 VA
DC: 9W
8E&M: AC: 12.5 VA
DC: 11.5W
8E&M/POS: AC: 11 VA
DC: 10.5W
E1/T1: AC: 10.2 VA
DC: 9W
Environment
Operating temperature: 0 to 50°C
(32 to 122°F)
Storage temperature: -20 to 70°C
(-4 to 158°F)
Humidity: Up to 90%, non-condensing
(4 Seiten)
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