Specifications

2
MULTI-FUNCTION LINE DRIVER
Surge-Protection
Method — Silicon Avalanche Diodes
Surge-Response
Time — 1 ps
Maximum Surge
Protection — 600 watts dissipated after 1 ms
User Controls — (2) Top-mounted toggle switches:
LOOP (Remote Digital or Local Analog loopback),
BERT (511 or 511/E V.52 diagnostics);
(2) Bottom-mounted 8-position DIP switches:
(1) for data rate, clock source, protocol, and carrier
control;
(1) for 2- or 4-wire operation, diagnostics, RTS/CTS
delay, signaling-rate range, and word length
Indicators — (2) Top-mounted LEDs: Test (next to LOOP switch),
Error (next to BERT switch)
Diagnostics — ITU-TSS V.54 remote digital and local analog
loopbacks; ITU-TSS V.52 BERT testing
Connectors — ME657A-M:
(1) 5-position terminal block with strain relief for
modem-to-modem line,
(1) DB25 male for serial connection;
ME657A-F:
(1) 5-position terminal block with strain relief for
modem-to-modem line,
(1) DB25 female for serial connection;
ME658A-M:
(1) 6-pin RJ-11 female for modem-to-modem line,
(1) DB25 male for serial connection;
ME658A-F:
(1) 6-pin RJ-11 female for modem-to-modem line,
(1) DB25 female for serial connection;