DCOSS Specifications
T1 DSX-1 Telephony Interface
| T1 Signal |
RJ48C interface |
| Standards Compliance |
ANSI T1.102, T1.403 |
| Line Code Format |
AMI or B8ZS |
| Framing Format |
D4 or ESF |
| Alarm Signals |
Loss of Frame Alignment, Loss of Signaling Multiframe
Alignment, Loss of CRC Multiframe Alignment (red), Remote Alarm and Remote Multiframe Alarm
(yellow), Alarm Indication Signal (AIS) (yellow) |
CEPT E1 G/703 Telephony Interface
| E1 Signal |
RJ48C interface (120 ohm) |
| Line Code Format |
HDB3 or AMI (no zero code suppression) |
| Framing Format |
CEPT G.703/G.704 CAS |
| Alarm Signals |
Loss of Frame Alignment, Loss of Signaling Multiframe
Alignment, Loss of CRC Multiframe Alignment (red), Remote Alarm and Remote Multiframe Alarm
(yellow), Alarm Indication Signal (AIS) (yellow) |
T1/E1 Interface (common specifications)
| Sampling Rates |
8k samples/sec |
| Speech Compression |
11 kHz, 8- or 16-bit linear (.WAV)
64 kbps m-Law or A-Law per ITU-T G.711 (.PCM) |
| Onboard DSPs |
Texas Instruments TMS325C549 DSPs at 100MIPS each |
| Onboard Microprocessor |
100 MHz 80486 |
| Trunks avail per system |
2 to 16 T1, E1, or combination. |
| Regulatory Certification |
EMC:US and Canada: FCC Part 15, Subpart J,
Class A
Europe: EN55022 1994 Class B
(with shielded cable); EN50082-1 1992
Australia: AS 3548
Safety:US and Canada: NRTL recognized to cUL
1950, 3rd edition
Europe: EN60950 1992 + Amendments
1,2,3 and 4; BABT-AN 48 Issue 6
Australia: TS001 1996; AS/AZ
Telecom:US and Canada: FCC Part 68
and DOC CS-03
Europe: CTR4, CTR12
UK: NTR4
|
| Environment |
Operating Temperature: 0 C to 50 C
Storage Temperature: -20 C to 70 C
Humidity: 5 to 80%, non-condensing
|
SS7 Board Interface
| Network Interfaces |
Tri-port V.35 serial with external pod
Two T1 (1.544 Mbps) or two E1 (2.048 Mbps) digital trunk interfaces |
| On-Board Processors |
33MHz 68EN360 Quad Integrated Communications Controller (QUICC) with 4 MB dynamic RAM |
| Regulatory Certification |
USA and Canada: Complies with FCC Class A |
| Environment |
Operating Temperature: 0C to 50C
Humidity: 90%,non-condensing |
Audio Signal Processing
| Receive Range |
-68 to +3 dBm |
| Transmit |
-28 to 0 dBm |
| Sampling Rates |
8 ksamples/sec
(telephone industry standard) |
DTMF/MF Tone Dialing/Detection
| DTMF Digits |
0-9, *, # and ABCD per ITU-T Q.23 and Q.24 |
| Dynamic Range |
-40 dBm to 0 dBm nominal |
| Tone Duration |
40 ms (minimum) |
| MF Digits |
0-9, KP, ST, ST1, ST2, ST3 per US (R1) and ITU-T Q.321 |
| Dynamic Range |
-35 dBm to -5 dBm nominal |
POTS (Plain Old Telephone Set) Interface
| Connector |
62-pin D connector provided with 25-pair Amphenol
RJ-21X interface |
| Line interface |
600 ohms nominal |
| Return loss |
ERL: 20 dB, SRL HI: 30 dB,
SRL LO: 11 dB |
| Inter-hybrid Crosstalk |
-80 dB min (0 dBm, 300 to 3400 Hz) |
| Loop Current Detection |
11 mA (Threshold) |
| Transmit loss |
0 dB, +1 dB (min), -1.3 dB (max) |
| Receive loss |
0 dB, +1 dB (min), -1.3 dB (max) |
| Attenuation |
0 dB to -9 dB (3 dB increments) |
| PCM encoding |
µ-Law or A-Law |
| Cable Length to Telephone |
24 AWG, 2000 ft. (0.5 mm, 600 M) max twisted pair |
| Max Ren per Interface |
1.0 |
| Ports avail per system |
8, 16, 24, 48 |
| Regulatory Certification |
EMC:US and Canada: FCC Part 15, Subpart J,
Class A
EU Countries: EN55022 1994 Class A;
EN5082-1 1997
Safety:US and Canada: UL 1950, 2nd edition
EU Countries: EN60950 1992 + Amendments
1,2,3 and 4 |
| External Power Supply (with Ring Generator) |
Power: 100 to 120 VAC and 220 to 240 VAC (jumper modifiable)
Output: -24 VDC (1 A min current) and 93 VAC (120 mA min current)
Regulation: ± 1 V
Ripple: 5 mV rms maximum |
Standards Compliance
T1 and E1 Standards and
µ-Law and A-Law Standards |
G.703, G704, G.706, G.732, G.823 |
IRI carrier to customer installation
DS1 metallic interface |
ANSI T1E1/88-00 |
| European EMI/EMC Standards |
EN55022,EN50082-1 |
| PRI ISDN |
Q.931 |
| ANSI T1 standard for ISDN PRI Interface |
T1E1.4/8868 April 88 |
| PRI User-Network Interface Layer 1 |
ITU-T I4.31, June 88 |
| ISDN PRI Interface |
AT&T Pub. TR41449 and TR41459, June 85 |
| ITU SS7 |
Q.701-Q.704, Q.761-Q.764 |
| ANSI SS7 |
ANSI T1.111,113 |
Computer Requirements
Pentium 233 or equivalent with minimum of 6GBytes of hard disk,
WIN NT 4.0, 128 MBytes of RAM, full length PCI and ISA expansion slots.
Station Connect Power Supply
| Talk Battery to power OWS phones |
-24 Volt DC (± 1 volt), 1 A minimum
current |
| Ringing voltage |
93 Volt AC (± 1 volt), 120 mA
minimum current, 20 Hz
5 mV RMS maximum ripple |
RJ-45 Pinout Assignments
 |
Pin 1: R - Receive from Network
Pin 2: T - Receive from Network
Pin 3: No connection
Pin 4: R1 - Transmit to Network
Pin 5: T1 - Transmit to Network
Pin 6: No connection
Pin 7: Optional shield, not used
Pin 8: Optional shield, not used |
Click here for the Available PC Platforms.
Specifications are subject to change without notice.
 Back to Digital Central Office Switch Simulator (DCOSS) Index Page
|
