B-6
APX 1000™ Getting Started Guide
Slot Card Specifications
24-port T1 or E1 slot card
E1 technical specifications
When used to support E1 service, each E1 interface supports 30 64Kbps DS0 channels, each of
which can transmit and receive data or digitized voice.
Table B-6 describes 24-port slot card E1 specifications.
Frame format
Per ANSI T1.107a
Alarm signaling
Red alarm and Yellow alarm. Alarm detection and integration per
ANSI T1.403 and Telecordia (BELLCORE) TA-TSY-000191.
Connectors
24 100-ohm RJ-45
Card dimensions
15.1 inches wide by 10.7 inches long (38.354cm x 27.178cm): To
be installed only in the APX 1000 top slot
Card weight
~2 pounds (0.9kg)
Operating humidity
0-90%, noncondensing
Operating temperature
32-122° F (0-50° C)
Table B-5. T1 specifications for the 24-port T1 or E1 slot card (continued)
Category
Specification
Table B-6. E1 specifications for the 24-port T1 or E1 slot card
Category
Specification
Interface standards
International Telecommunications Union (ITU) G.703,
G.736, G.775, and G.823
European Telecommunications Standards Institute (ETSI)
300-166 and 300-233
Input jitter
Per ITU-T G.823
Electrical standards
Conférence Européenne des Postes et des
Télécommunications (CEPT) 2.048Mbps pulse mask per
G.703 for twisted pair and coaxial cable
Receive equalization
Short haul (12dB) and long haul (43dB)
Line code
High-density bipolar 3 (HDB3)
Line rate
2.048Mbps ± 25ppm
Rx sensitivity
0 to -43dB
Frame format
Per G.704 Frame Alignment signal (FAS) with or without
cyclic redundancy check 4 (CRC4) multiframe alignment
(MFA). No channel-associated signaling (CAS) MFA used
for data.
Alarm Signaling
Red alarm, Out Of Frame (OOF) alarm, FAS, Alarm
Indication signal (AIS), and Yellow alarm.
Connectors
24 120-ohm RJ-45. An optional BNC cable for 75 ohms
requires that wire jumpers be configured on the slot card.
