7
CHAPTER1: Specifications
1. Specifications
Transmission Format:
Synchronous or asynchronous
Transmission Line:
One- or two-pair unconditioned twisted wire
Clocking:
Internal, External, or Receive Recover
Table 1-1. Maximum distance for all data rates.
Distance
Cable
10.8 mi (17.4 km)
19 AWG (0.9 mm)
7.2 mi (11.6 km)
22 AWG (0.64 mm)
5 mi (8 km)
24 AWG (0.5 mm)
3.4 mi (5.5 km)
26 AWG (0.4 mm)
Data Rates:
Synchronous: 19.2, 32, 56, 64, and 128 kbps; Asynchronous: 0 to
38.4 kbps
Diagnostics:
Local Line Loopback, Remote Digital Loopback, V.52-compliant bit
error rate pattern generator (511/511E)
Line Interface:
Transformer-coupled 1500-VAC isolation
Indicators:
LEDs: TD, RD, CTS, CD, DTR, TM, ER, and NS
Connectors:
RJ-45 on line side; RJ-45 for 10BASE-T, DB25 female for RS-530 and
V.24, M/34 female for V.35, DB15 female for X.21, dual BNC for G.703/G.704
Temperature Tolerance:
32 to 122°F (0 to 50°C)
Humidity:
5 to 95% noncondensing
Size:
Front card: 3.1"H x 0.95"W x 4.8"D (7.9 x 2.4 x 12.2 cm); Rear card: 3.3"H x
0.95"W x 2.8"D (8.4 x 2.4 x 7.1 cm)