| Standards
Conformance |
| |
► SS7:
Bellcore TR-NWT-00246;
ANSI T1.111a, T1.112, T1.113a, T1.114,
T1.116, T1.234-T1.236 |
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► C7:
ITU-T White Book: Q.767, Q.701–Q.704, Q.705, Q.708,
Q.709, Q.780– Q.782, Q.784, Q.788 |
| |
► ETSI-ISDN:
ETSI 300-102, Q.931, Q.921 |
| |
► NI2-ISDN:
BellCore TR-NWT-001268,TR-NWT-002343;
Q.931, Q.9211 |
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| System
Capacity |
| |
►Interfaces:
Up to four E1 or T1 trunks (or eight
full duplex trunks) per chassis |
| |
►Channels:
Up to 31 per trunk; up to 248 per
chassis |
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►SS7/C7
Signaling Links:
Four per chassis |
| |
►SDN
D Channels:
Four per chassis |
|
| Agency
Compliance |
| |
►Safety:
EN 60950, European Safety (CE Mark);
UL 1950 3rd Edition, U.S. Safety |
| |
►Emissions:
EN 55022: 1998 (Europe); FCC Part
15, Sub-Part B, Class A (U.S.) |
| |
►Immunity:
EN 55024: 1998 |
| |
►Belcore
Immunity & Emissions:
GR-1089-CORE, Section 3 |
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|
| Physical
Specifications |
| |
►Size:
1.75 in. (4.45 cm); width: 19 in.
(48.26 cm); depth: 10 in. (25.4 cm); |
| |
►Power
(external):
-42 to -56 VDC; 100 to 240 VAC, 50
to 60 Hz |
| |
►Temperature:
32° to 122° F (0° to 50° C) |
| |
►Humidity:
Up to 95% non-condensing |
| |
►Altitude:
Up to 10,000 ft. (3,048 m) |
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| Interface
Specifications |
| |
►Framing:
E1: G.732 or G.704;
T1: D4SF or D4ESF |
| |
►Bit
Rate:
E1: 2,048 Mbps;
T1: 1.544 Mbps |
| |
►Clocking:
E1: ± 30 ppm internal;
E1: ± 100 ppm external;
T1: ± 30 ppm internal;
T1: ± 150 ppm external |
| |
►Impedance:
E1: 120 ohm balanced;
E1: 75 ohm unbalanced;
T1: 100 ohm balanced |
| |
►Coding:
E1: AMI or HDB3;
T1: AMI or B8ZS |
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► Alarms:
E1: Loss of carrier signal,
multi-frame carrier signal, sync;
alarm indication signal (AIS); receipt
of remote alarm; receipt of multi-frame
remote alarm
T1: Loss of carrier signal; loss of
frame; receipt of alarm indication signal (AIS); receipt
of remote alarm |
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